app-antivirus
app-arch
app-benchmarks
app-dicts
app-editors
app-emulation
app-i18n
app-laptop
app-misc
app-portage
app-text
app-vim
dev-libs
dev-python
dev-tex
dev-texlive
dev-util
games-board
games-misc
gnome-extra
media-fonts
media-libs
media-plugins
media-sound
media-tv
media-video
net-im
net-misc
net-p2p
sys-boot
sys-devel
sys-kernel
www-client
x11-libs
x11-misc
x11-plugins
x11-themes