eleazar@eleazar /usr/local $ sudo emerge -vptuD --newuse world

These are the packages that I would merge, in reverse order:

Calculating world dependencies ...done!
[blocks B     ] x11-libs/libXft (is blocking x11-base/xorg-x11-6.8.2-r6)
[blocks B     ] <app-text/xpdf-3.01-r4 (is blocking app-text/poppler-0.5.0-r5)
[ebuild     U ] kde-base/kate-3.5.1 [3.5.0] USE="arts kdeenablefinal -debug -kdexdeltas -xinerama" 23,034 kB
[ebuild     U ] www-client/mozilla-firefox-bin-1.5.0.1 [1.5] 8,255 kB
[ebuild  N    ]  virtual/libstdc++-3.3  0 kB
[ebuild     U ] app-cdr/k3b-0.12.8 [0.12.4a] USE="arts css encode flac hal kde mp3 vorbis -debug -dvdr -ffmpeg* -musepack -musicbrainz% -sndfile% -vcd% -xinerama" 3,684 kB
[ebuild   R   ]  media-sound/normalize-0.7.6-r2  USE="-audiofile* -mad -nls -xmms" 0 kB
[ebuild     U ]  app-cdr/cdrdao-1.2.1 [1.2.0-r1] USE="encode -debug -gnome -pccts" 1,687 kB
[ebuild     U ]  media-video/transcode-0.6.14-r3 [0.6.14-r2] USE="X encode jpeg mpeg ogg quicktime truetype vorbis xml2 -3dnow -a52 -dv -dvdread -fame -gtk -imagemagick -lzo -mjpeg -mmx -network -sdl -sse -sse2 -theora -v4l -xvid*" 2 kB
[ebuild     U ]   media-libs/libexif-0.6.12-r4 [0.5.12-r3] USE="-nls" 525 kB
[nomerge      ]   media-libs/netpbm-10.30-r1  USE="jpeg png zlib -svga -tiff"
[ebuild     U ]    media-libs/jbigkit-1.6-r1 [1.4] 396 kB
[ebuild     U ] media-sound/alsa-driver-1.0.10-r2 [1.0.10_rc3] USE="oss -debug% -doc" 2,143 kB
[ebuild     U ] kde-base/konq-plugins-3.5.1 [3.5.0] USE="arts kdeenablefinal -debug -kdexdeltas -xinerama" 1,580 kB
[ebuild     U ] kde-base/kpdf-3.5.1-r2 [3.5.0-r2] USE="arts kdeenablefinal -debug -kdexdeltas -xinerama" 7,149 kB
[ebuild  N    ]  app-text/poppler-bindings-0.5.0  USE="qt -cairo -gtk" 913 kB
[ebuild     U ] sys-process/psmisc-21.9 [21.6] USE="-ipv6% -nls" 226 kB
[ebuild     U ] kde-base/ark-3.5.1 [3.5.0] USE="arts kdeenablefinal -debug -kdexdeltas -xinerama" 2,904 kB
[ebuild     U ] kde-base/kopete-3.5.1 [3.5.0] USE="arts kdeenablefinal ssl -debug -kdexdeltas -sametime -xinerama -xmms" 7,289 kB
[ebuild     U ] media-video/kmplayer-0.9.1a [0.9.0c] USE="arts mplayer -debug -gstreamer -xine -xinerama" 879 kB
[ebuild     U ]  media-video/mplayer-1.0.20060217 [1.0_pre7-r1] USE="X alsa arts dga dvd encode gif jpeg opengl oss png truetype vorbis win32codecs xv -3dfx -3dnow -3dnowext -aac -aalib -bidi -bindist -bl -cdparanoia -cpudetection -custom-cflags -debug -directfb -doc -dts* -dv -dvb -dvdread -edl -esd -fbcon -ggi -gtk -i8x0 -ipv6 -jack -joystick -libcaca -lirc -live -livecd -lzo -mad -matroska* -matrox -mmx -mmxext -musepack% -nas -nls -nvidia -real -rtc -samba -sdl -sse -sse2 -svga -tga -theora -v4l -v4l2 -xanim -xinerama -xmms -xvid* -xvmc" 6,525 kB
[nomerge      ] app-portage/ufed-0.36
[ebuild     U ]  dev-perl/TermReadKey-2.30 [2.21] USE="-minimal%" 36 kB
[ebuild     U ] kde-base/konsole-3.5.1 [3.5.0] USE="arts kdeenablefinal -debug -kdexdeltas -xinerama" 0 kB
[ebuild     U ] kde-base/kdebase-startkde-3.5.1 [3.5.0] USE="arts kdeenablefinal -debug -kdexdeltas -xinerama" 4 kB
[ebuild     U ]  kde-base/kpersonalizer-3.5.1 [3.5.0] USE="arts kdeenablefinal -debug -kdexdeltas -xinerama" 0 kB
[ebuild     U ]  kde-base/ksplashml-3.5.1 [3.5.0] USE="arts kdeenablefinal -debug -kdexdeltas -xinerama" 0 kB
[ebuild     U ]  kde-base/kdesktop-3.5.1 [3.5.0] USE="arts kdeenablefinal xscreensaver% -debug -kdexdeltas -xinerama" 0 kB
[ebuild     U ]   kde-base/kdm-3.5.1 [3.5.0] USE="arts kdeenablefinal pam -debug -kdexdeltas -xinerama" 0 kB
[ebuild     U ]  kde-base/kwin-3.5.1 [3.5.0] USE="arts kdeenablefinal -debug -kdexdeltas -xcomposite% -xinerama" 0 kB
[ebuild     U ]  kde-base/ksmserver-3.5.1 [3.5.0] USE="arts kdeenablefinal -debug -kdexdeltas -xinerama" 0 kB
[ebuild     U ] media-sound/amarok-1.3.8 [1.3.7] USE="arts flac kde mp3 opengl vorbis -debug -gstreamer -musicbrainz -mysql -noamazon -postgres -visualization -xine -xinerama -xmms" 8,523 kB
[ebuild     U ]  kde-base/konqueror-3.5.1 [3.5.0-r1] USE="arts kdeenablefinal -debug -java* -kdexdeltas -xinerama" 0 kB
[ebuild     U ]   kde-base/kcontrol-3.5.1 [3.5.0] USE="arts kdeenablefinal opengl ssl -debug -ieee1394 -kdexdeltas -logitech-mouse -xinerama" 0 kB
[ebuild     U ]    kde-base/khotkeys-3.5.1 [3.5.0] USE="arts kdeenablefinal -debug -kdexdeltas -xinerama" 0 kB
[ebuild     U ]    kde-base/khelpcenter-3.5.1 [3.5.0] USE="arts kdeenablefinal -debug -kdexdeltas -xinerama" 0 kB
[ebuild     U ]    kde-base/kicker-3.5.1-r1 [3.5.0] USE="arts kdeenablefinal -debug -kdexdeltas -xcomposite% -xinerama" 0 kB
[ebuild     U ]     kde-base/kdebase-data-3.5.1 [3.5.0] USE="arts kdeenablefinal -debug -kdexdeltas -xinerama" 0 kB
[ebuild     U ]   kde-base/kdebase-kioslaves-3.5.1 [3.5.0] USE="arts hal kdeenablefinal -debug -kdexdeltas -ldap -openexr -samba -xinerama" 0 kB
[ebuild   R   ]    dev-libs/cyrus-sasl-2.1.20  USE="pam ssl -authdaemond -berkdb -gdbm -java* -kerberos -ldap -mysql -postgres -static" 0 kB
[nomerge      ]    kde-base/kdialog-3.5.0  USE="arts kdeenablefinal -debug -kdexdeltas -xinerama"
[ebuild     U ]     sys-apps/eject-2.1.0-r1 [2.0.13-r2] USE="-nls" 65 kB
[ebuild     U ]   kde-base/libkonq-3.5.1 [3.5.0] USE="arts kdeenablefinal -debug -kdexdeltas -xinerama" 0 kB
[ebuild     U ]  kde-base/kdemultimedia-arts-3.5.1 [3.5.0] USE="arts kdeenablefinal -debug -kdexdeltas -xinerama" 5,373 kB
[ebuild  N    ]  kde-base/kdemultimedia-kioslaves-3.5.1  USE="arts encode kdeenablefinal mp3 vorbis -debug -flac -kdexdeltas -xinerama" 0 kB
[ebuild  N    ]   kde-base/libkcddb-3.5.1  USE="arts kdeenablefinal -debug -kdexdeltas -xinerama" 0 kB
[ebuild     U ] kde-base/superkaramba-3.5.1 [3.5.0] USE="arts kdeenablefinal -debug -kdexdeltas -xinerama" 0 kB
[ebuild     U ] app-vim/gentoo-syntax-20051221 [20050618] USE="-ignore-glep31" 18 kB
[ebuild     U ] www-client/links-2.1_pre20 [2.1_pre19] USE="X gpm jpeg png ssl -directfb -fbcon -javascript -livecd -sdl% -svga -tiff -unicode" 3,768 kB
[nomerge      ] media-video/vlc-0.8.4a  USE="X a52 aac alsa arts bidi cdda dts dvd ffmpeg flac gnutls hal httpd live matroska mp3 mpeg ncurses ogg opengl oss png stream svga theora truetype% vcd vlm vorbis win32codecs wxwindows xml2 xv -3dfx -aalib -avahi -cddb% -corba -daap -debug -dvb -esd -fbcon -ggi -joystick -libcaca -lirc -mod -nls -nsplugin -real -samba -screen -sdl -shout -skins -speex -svg -v4l -xinerama% -xosd"
[ebuild     U ]  net-libs/gnutls-1.2.10 [1.2.3] USE="crypt zlib -doc" 2,673 kB
[ebuild     U ]   dev-libs/libtasn1-0.2.18 [0.2.13] USE="-doc" 882 kB
[ebuild     U ]  media-video/ffmpeg-0.4.9_p20051216 [0.4.9_p20050226-r5] USE="encode ogg oss truetype vorbis zlib -a52 -aac -debug -doc -dts* -ieee1394 -imlib -mmx -network -sdl -test% -theora% -threads -v4l -xvid*" 1,679 kB
[ebuild     U ]  x11-libs/wxGTK-2.6.2-r1 [2.6.1] USE="X% opengl unicode -debug -doc -gnome -joystick -odbc -sdl" 12,753 kB
[ebuild     U ] mail-client/mozilla-thunderbird-bin-1.5 [1.0.7] 10,331 kB
[ebuild     U ]  www-client/mozilla-launcher-1.45 [1.42] 5 kB
[nomerge      ] sys-apps/hal-0.5.5.1-r3  USE="-acpi -debug -doc -pam_console -pcmcia"
[nomerge      ]  sys-apps/hotplug-20040923-r1
[ebuild     U ]   sys-apps/usbutils-0.71-r1 [0.11-r5] 159 kB
[ebuild     U ] kde-base/krdc-3.5.1 [3.5.0] USE="arts kdeenablefinal -debug -kdexdeltas -rdesktop -slp -xinerama" 0 kB
[ebuild     U ] app-portage/genlop-0.30.5 [0.30.3] USE="-bash-completion" 19 kB
[ebuild     U ]  dev-perl/DateManip-5.44 [5.42a-r1] USE="-minimal%" 138 kB
[ebuild     U ] kde-base/ksnapshot-3.5.1 [3.5.0] USE="arts kdeenablefinal -debug -kdexdeltas -xinerama" 0 kB
[ebuild     U ] app-editors/nano-1.3.9 [1.3.7] USE="ncurses spell -build -debug -justify -minimal% -nls -slang -unicode" 1,109 kB
[ebuild  NSF  ] dev-java/sun-jre-bin-1.5.0.06  USE="X alsa mozilla nsplugin -browserplugin" 16,376 kB
[ebuild     U ]  sys-apps/findutils-4.1.20-r2 [4.1.20-r1] USE="-build -nls -static" 0 kB
[ebuild     U ] kde-base/kdeprint-3.5.1 [3.5.0] USE="arts cups kdeenablefinal -debug -kdexdeltas -xinerama" 0 kB
[ebuild   R   ] app-arch/tar-1.15.1  USE="-build -bzip2* -nls -static" 0 kB
[ebuild     U ] net-irc/irssi-0.8.10 [0.8.9-r1] USE="perl ssl -ipv6 -minimal% -socks5" 911 kB
[nomerge      ] media-video/nvidia-settings-1.0.6629
[ebuild  N    ]  virtual/x11-6.8  0 kB
[ebuild     UD]   x11-base/xorg-x11-6.8.2-r6 [7.0-r1] USE="opengl% pam% truetype-fonts% type1-fonts% xprint% xv% -3dfx -3dnow% -bitmap-fonts% -cjk% -debug% -dlloader% -dmx% -doc% -font-server% -insecure-drivers% -ipv6% -minimal% -mmx% -nls% -nocxx% -sdk% -sse% -static%" 0 kB
[ebuild     U ]    x11-base/opengl-update-2.2.4 [2.2.1] 0 kB
[ebuild     U ] media-sound/alsa-tools-1.0.10 [1.0.8-r1] USE="-fltk% -gtk%" 1,344 kB
[nomerge      ] net-analyzer/mrtg-2.11.1  USE="doc"
[ebuild     U ]  media-libs/gd-2.0.33 [2.0.32] USE="jpeg png truetype -fontconfig -xpm%" 573 kB
[ebuild   R   ] dev-php/php-4.4.0-r4  USE="X crypt jpeg ncurses pam png readline spell ssl truetype xml2 -berkdb -curl -debug -doc -fdftk -firebird -flash -freetds -gd -gd-external -gdbm -gmp -hardenedphp -imap -informix -ipv6 -java* -kerberos -ldap -mcal -memlimit -mssql -mysql -nls -oci8 -odbc -postgres -snmp -tiff -yaz" 0 kB
[ebuild     U ] net-misc/openssh-4.2_p1-r1 [4.2_p1] USE="pam -X509 -chroot -hpn -ipv6 -kerberos -ldap -libedit -sftplogging -skey -smartcard -static -tcpd" 0 kB
[nomerge      ] media-video/nvidia-glx-1.0.8178  USE="-dlloader"
[nomerge      ]  x11-base/xorg-server-1.0.1-r4  USE="dri xprint -debug -ipv6 -minimal"
[nomerge      ]   x11-apps/xinit-1.0.1  USE="-debug"
[ebuild     U ]    x11-terms/xterm-207 [204] USE="truetype -Xaw3d -doc% -toolbar -unicode" 727 kB
[nomerge      ] media-fonts/font-alias-1.0.1  USE="-debug"
[nomerge      ]  media-video/nvidia-kernel-1.0.8178-r3
[ebuild     U ]   sys-apps/module-init-tools-3.2.1 [3.0-r2] 393 kB
[ebuild     U ] net-www/apache-2.0.55-r1 [2.0.54-r31] USE="ssl -apache2 -debug -doc -ldap -mpm-leader -mpm-peruser -mpm-prefork -mpm-threadpool -mpm-worker -no-suexec -static-modules -threads" 4,684 kB
[nomerge      ] dev-util/subversion-1.2.3-r2  USE="perl zlib -apache2 -bash-completion -berkdb -emacs -java -minimal -nls -nowebdav -python"
[ebuild     U ]  dev-libs/apr-util-0.9.7 [0.9.6-r2] USE="-berkdb -gdbm -ldap" 724 kB
[ebuild     U ]   dev-libs/apr-0.9.7 [0.9.6-r3] USE="-ipv6 -urandom%" 1,020 kB
[ebuild     U ] media-libs/alsa-oss-1.0.10-r1 [1.0.10_rc3] 218 kB
[nomerge      ] x11-libs/gtk+-2.8.8  USE="jpeg -debug -doc -tiff"
[ebuild     U ]  dev-libs/atk-1.10.3 [1.10.1] USE="-debug -doc -static" 529 kB
[nomerge      ] dev-perl/DBD-mysql-2.9007  USE="-minimal%"
[ebuild     U ]  dev-perl/DBI-1.48 [1.46] USE="-minimal%" 369 kB
[ebuild     U ]   dev-perl/PlRPC-0.2018 [0.2016-r1] USE="-minimal%" 17 kB
[ebuild  N    ]    virtual/perl-Storable-2.15  0 kB
[ebuild     U ]     perl-core/Storable-2.15 [2.13] USE="-minimal%" 159 kB
[nomerge      ] media-gfx/gwenview-1.0.1  USE="arts -debug -xinerama"
[ebuild     U ]  kde-base/kdelibs-3.5.1-r1 [3.5.0-r1] USE="alsa arts cups kdeenablefinal spell ssl tiff -acl -debug -doc -jpeg2k -kerberos -openexr -xinerama -zeroconf" 15,097 kB
[ebuild   R   ]   net-dns/libidn-0.5.15  USE="-doc -emacs -java* -nls" 0 kB
[ebuild     U ]   kde-base/arts-3.5.1 [3.5.0] USE="alsa arts artswrappersuid kdeenablefinal mp3 vorbis -debug -esd -jack -nas -xinerama" 927 kB
[nomerge      ]   sys-apps/utempter-0.5.5.6
[nomerge      ]    app-arch/rpm2targz-9.0-r3
[ebuild     U ]     sys-apps/util-linux-2.12r-r2 [2.12r-r1] USE="crypt pam perl -nls -old-crypt -static" 1,338 kB
[ebuild     U ]      app-crypt/hashalot-0.3-r2 [0.3-r1] 0 kB
[nomerge      ]   dev-libs/libxslt-1.1.15  USE="crypt -debug -python -static"
[ebuild     U ]    dev-libs/libgcrypt-1.2.2-r1 [1.2.1] USE="-nls" 937 kB
[nomerge      ]   x11-libs/qt-3.3.4-r8  USE="cups gif opengl -debug -doc -examples -firebird -immqt -immqt-bc -ipv6 -mysql -nas -odbc -postgres -sqlite -xinerama"
[nomerge      ]    media-libs/libmng-1.0.8-r1
[ebuild     U ]     media-libs/lcms-1.14-r1 [1.13-r1] USE="jpeg zlib -python -tiff" 653 kB
[nomerge      ] net-fs/samba-3.0.14a-r2  USE="cups pam readline xml2 -acl -doc -examples -kerberos -ldap -libclamav -mysql -oav -postgres -python -quotas -winbind -xml"
[nomerge      ]  dev-libs/popt-1.7-r1  USE="-nls"
[ebuild     U ]   net-print/cups-1.1.23-r7 [1.1.23-r4] USE="pam samba slp ssl -gnutls -nls" 0 kB
[nomerge      ]    sys-libs/pam-0.78-r3  USE="-berkdb -nis -pam_chroot -pam_console -pam_timestamp -pwdb"
[ebuild     U ]     sys-libs/cracklib-2.8.5 [2.8.3-r1] USE="-nls% -python%" 547 kB
[ebuild     U ]    app-text/poppler-0.5.0-r5 [0.4.3] USE="jpeg -cairo" 0 kB
[nomerge      ] sys-devel/gcc-3.3.6  USE="-bootstrap -boundschecking -build -fortran -gcj -gtk -hardened -ip28 -multislot -nls -nocxx -nopie -nossp -objc -vanilla"
[nomerge      ]     media-libs/freetype-2.1.9-r1  USE="zlib -bindist -doc"
[nomerge      ]      sys-libs/glibc-2.3.5-r2  USE="-build -erandom -glibc-compat20 -glibc-omitfp -hardened -linuxthreads-tls -nls -nptl -nptlonly -pic -profile -userlocales"
[nomerge      ]       sys-devel/gcc-3.4.4-r1  USE="-bootstrap -boundschecking -build -fortran -gcj -gtk -hardened -ip28 -multislot -nls -nocxx -nopie -nossp -objc -vanilla"
[ebuild     U ]        sys-devel/gcc-config-1.3.12-r6 [1.3.12-r4] 0 kB
[ebuild     U ] media-sound/alsa-utils-1.0.10 [1.0.10_rc3] USE="-nls" 968 kB
[ebuild     U ]  media-libs/alsa-lib-1.0.10 [1.0.10_rc3] USE="-doc -jack" 690 kB
[ebuild     U ]   sys-devel/libtool-1.5.22 [1.5.20] 2,853 kB
[ebuild     U ]   media-sound/alsa-headers-1.0.10 [1.0.10_rc3] 0 kB
[ebuild  NS   ]   sys-kernel/gentoo-sources-2.6.15-r1  USE="-build -doc -symlink" 39,086 kB
[ebuild     U ]    sys-devel/make-3.80-r3 [3.80-r2] USE="-build -nls -static" 0 kB
[ebuild     U ]    sys-fs/udev-084 [077-r5] 0 kB
[nomerge      ]  sys-devel/automake-1.9.6-r1
[nomerge      ]   sys-devel/automake-wrapper-1-r1
[nomerge      ]    sys-devel/automake-1.5
[ebuild     U ]     sys-devel/gnuconfig-20051223 [20051113] 38 kB
[ebuild     U ] sys-apps/man-pages-2.22 [2.16] USE="-nls" 1,693 kB
[ebuild  N    ] app-misc/ca-certificates-20050804  91 kB
[nomerge      ] sys-apps/man-1.6b-r2  USE="-nls"
[ebuild     U ]    dev-libs/openssl-0.9.7i [0.9.7e-r2] USE="zlib -bindist -emacs -test" 3,204 kB
[ebuild     U ]     dev-lang/perl-5.8.7-r3 [5.8.6-r8] USE="-berkdb -build -debug -doc -gdbm -ithreads -minimal -perlsuid" 9,608 kB
[ebuild     U ]      sys-devel/libperl-5.8.7 [5.8.6-r1] USE="-berkdb -debug -gdbm -ithreads" 0 kB

Total size of downloads: 220,531 kB