Amazon with ANTOnline has the Lenovo ThinkServer TS130 110520U Xeon E3 Server for $375
with free shipping. This server has an Intel Xeon E3-1235 Quad-Core 3.20GHz CPU, Graphics Media Accelarator HD P3000, 4GB RAM, and two 3.5" bays. No OS installed. Buy.com
also has it for the same price.