$200 shipped - I have two available at this time. I take Paypal.
This is a pretty fast setup that will run Windows 7 64 bit flawlessly:
-Asus P5K Deluxe WIFI/AP (no wireless antenna included.. you can buy them cheap elsewhere) (bunch of sata ports, dual gigabit ethernet, etc) Specs: http://www.asus.com/Motherboards/Int..._DeluxeWiFiAP/
-8gb Kingston HyperX DDR2 (4x2gb modules) P/N: KHX6400D2k2/4G
-Intel Core 2 Duo E6850 3.0GHZ CPU w/factory fan/heatsink. 64 bit and supports virtualization. Specs: http://ark.intel.com/products/30785/...333-MHz-FSB%29