mybox ~ # emerge -uavDN world

Calculating world dependencies... done!
[blocks B     ] =kde-base/kopete-3.5* (is blocking kde-base/kdenetwork-3.5.2)
[blocks B     ] =kde-base/kdenetwork-3.5* (is blocking kde-base/kopete-3.5.2)
[ebuild   R   ] media-video/mplayer-1.0_pre8  USE="3dfx 3dnow X alsa arts dvd* encode gif gtk ipv6 jpeg mad mmx opengl oss png sdl truetype vorbis win32codecs xmms xv xvid -3dnowext -aac -aalib -bidi -bindist -bl -cdparanoia -cpudetection -custom-cflags -debug -dga -directfb -doc -dts -dv -dvb -dvdread -esd -fbcon -ggi -i8x0 -jack -joystick -libcaca -lirc -live -livecd -lzo -matrox -mmxext -musepack -nas -nvidia -openal -real -rtc -samba -speex -sse -sse2 -svga -tga -theora -unicode -v4l -v4l2 -x264 -xanim -xinerama -xvmc" 0 kB
[ebuild     U ] net-misc/neon-0.26.1 [0.25.3] USE="nls% ssl zlib -expat -gnutls% -socks5% -static%" 763 kB
[ebuild     U ] dev-libs/liboil-0.3.6-r1 [0.3.6] 0 kB
[ebuild  N    ] net-www/apache-2.0.58  USE="ssl -apache2 -debug -doc -ldap -mpm-leader -mpm-peruser -mpm-prefork -mpm-threadpool -mpm-worker -no-suexec -static-modules -threads" 0 kB
[ebuild  N    ] kde-base/kdenetwork-3.5.2  USE="arts ssl xmms -debug -kdeenablefinal -kdehiddenvisibility -rdesktop -sametime -slp -wifi -xinerama" 0 kB
[ebuild  N    ] media-libs/gst-plugins-ugly-0.10.3  USE="-debug" 0 kB
[ebuild  N    ] media-plugins/gst-plugins-a52dec-0.10.3  0 kB
[ebuild  N    ] media-video/totem-1.4.2-r1  USE="dbus dvd gnome mad mpeg ogg vorbis xv -a52 -debug -firefox -flac -lirc -nsplugin -nvtv -theora -xine" 0 kB
[ebuild  N    ] www-client/epiphany-2.14.2.1-r1  USE="python -debug -doc -firefox" 0 kB
[ebuild  N    ] mail-client/evolution-2.6.2-r1  USE="crypt dbus gstreamer hal ipv6 spell ssl -bogofilter -debug -doc -kerberos -krb4 -ldap -mono -nntp -pda -profile -widescreen" 0 kB
[ebuild  N    ] gnome-extra/gnome-games-2.14.2.1  USE="-artworkextra -debug -guile" 0 kB
[ebuild   R   ] media-libs/xine-lib-1.1.2-r2  USE="X alsa arts dvd* gnome imagemagick ipv6 mad nls opengl oss sdl vorbis win32codecs xv -a52 -aac -aalib -asf -debug -directfb -dts -dxr3 -esd -fbcon -flac -libcaca -mng -modplug -samba -speex -theora -v4l -vcd -vidix -xinerama -xvmc" VIDEO_CARDS="-i810 -nvidia -via" 0 kB
[ebuild     U ] dev-lang/ruby-1.8.4-r3 [1.8.4-r1] USE="ipv6% -cjk -doc -examples -socks5 -tcltk -threads" 0 kB
[ebuild   Rf  ] dev-java/sun-jdk-1.4.2.10-r2  USE="X alsa -browserplugin -doc -examples -jce -mozilla -nsplugin*" 0 kB

Total size of downloads: 763 kB

!!! Error: The above package list contains packages which cannot be installed
!!!        at the same time on the same system.