"A few weeks ago, I decided to start looking for a new system.
After a fair amount of searching, I settled on a Shuttle XPC SN27P2
barebones system that includes the case, motherboard, and power
supply. Since it's hard to find information about supported
hardware under Linux, I thought I'd share my experience with the
XPC. It's a tiny system that can pack a hefty punch, and it's a
good system for users who want to run Linux.
"The SN27P2 motherboard supports AMD Socket AM2 processors and
up to 8GB of DDR2 667/800 RAM, and has one PCI Express x16 slot and
one regular PCI slot..."