Sabayon Linux Xfce
http://linux.softpedia.com/get/System/Operating-Systems/Linux-Distributions/SabayonLinux-Xfce-5256.shtml#download

Sabayon Linux Xfce is a freely distributed edition of the well known Sabayon Linux operating system that uses the lightweight Xfce desktop environment, as well as related open source packages and applications.
Availability, supported platforms and boot options

The distribution is available for download as Live CD ISO images. They can be written to USB flash drives or DVD discs, bootable directly from the BIOS of most PCs and laptops, but supported only on 64-bit architectures.