nvidia-drivers : NVIDIA Accelerated Graphics Driver ( http://www.nvidia.com/ http://www.nvidia.com/Download/Find.aspx )
xf86-video-nouveau : Accelerated Open Source driver for nVidia cards ( http://nouveau.freedesktop.org/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a ennui
For Paludis use this rsync : rsync://gentoo.zugaina.org/ennui-portage
If you have a problem : ycarus(-at-)zugaina.org