bender ~ # em -auDv world

These are the packages that would be merged, in order:

Calculating world dependencies... done!
[blocks B     ] <media-video/mplayer-bin-1.0_rc1-r2 (is blocking app-emulation/emul-linux-x86-medialibs-10.2)
[blocks B     ] <app-emulation/emul-linux-x86-medialibs-10.2 (is blocking app-emulation/emul-linux-x86-baselibs-10.2)
[ebuild     UD] dev-libs/pwlib-1.10.2-r1 [1.10.4] USE="alsa ipv6 ldap oss sdl ssl xml -debug -ieee1394 -sasl -v4l -v4l2" 0 kB
[ebuild     U ] dev-java/javacup-0.10k-r1 [0.10k] USE="-source" 0 kB
[ebuild     U ] app-emulation/emul-linux-x86-xlibs-10.0 [7.0-r8] USE="opengl" VIDEO_CARDS="(-i810%) (-mach64%) (-mga%) (-r128%) (-radeon%) (-s3virge%) (-savage%) (-sis%) (-tdfx%) (-trident%) (-via%)" 20,538 kB
[ebuild     U ] app-emulation/emul-linux-x86-sdl-10.1 [2.3-r1] 1,443 kB
[ebuild     U ] app-emulation/emul-linux-x86-soundlibs-10.0-r1 [10.0] 0 kB
[ebuild     U ] app-emulation/emul-linux-x86-medialibs-10.2 [1.2-r1] 1,584 kB
[ebuild     U ] app-emulation/emul-linux-x86-baselibs-10.2 [10.1-r1] 237 kB
[ebuild     U ] app-emulation/emul-linux-x86-gtklibs-10.0 [2.10.6.3-r3] USE="(-qt3%*)" 11,976 kB
[ebuild     U ] media-video/mplayer-bin-1.0_rc1-r3 [1.0_pre8] USE="(-lirc%)" 6,569 kB