Features of Sabayon 6 XFCE Spin:
Lightweight, yet feature complete Desktop suitable for a DVD or USB thumb drive (<2GB)
Linux 2.6.39 Desktop kernel
XFCE 4.8 Desktop Environment
NetworkManager 0.8 as default networking tool
Out of the box NTFS support via NTFS-3G
IcedTea6 Java, Adobe Flash, Chromium 13
Totem Media Player, Exaile Music Player, Pidgin, The Gimp, and much more
NVIDIA and AMD proprietary drivers improving the Out Of The Box experience
VirtualBox integration
Super fast installation
Designed for mid-end computers
excerpt taken from: http://forum.sabayon.org/viewtopic.php?f=60&t=24632#p137424
Also, more information from Distrowatch! http://distrowatch.com/?newsid=06778