I'm going overseas in a few weeks, so I'm selling my computer:

AMD Athlon 64 3700+ San Diego 2.2GHz Socket 939 Processor
DFI LANPARTY nF4 SLI-DR Socket 939 NVIDIA nForce4 SLI Chipset ATX
2x GeIL Value 1GB DDR400 (PC3200)
2x Seagate Barracuda 160GB 7200.9 SATAII 300 NCQ 8MB 7200RPM Hard Drive
LG Black 16x DVD-ROM Drive OEM
SILVERSTONE SST-TJ04 Black Aluminum with Window ATX Midi Tower Case
Silverstone Element ST50EF ATX12V 500W Power Supply Retail
XFX PV-T70F-UDE7 Geforce 7800GTX Extreme 256MB GDDR3 PCI-Express SLI Retail
Legit windows XP Pro key (with CD and sticker)

It's about 2 years old, but still manages to play the latest games on around medium... I run games like cnc3, bf2 on high graphics settings no problem.

Offer what you think is fair