ASUS A8N-E Motherboard ATX S939 NFORCE4 Ultra DDR PCI-E16 PCI-E4 2PCI-E1 3PCI SATA RAID Sound GBLAN Reg. Price: $113.85
http://www.ncix.com/products/index.p...nufacture=ASUS

and a
AMD Athlon 64 3700+ Processor S939 San Diego 2.2GHZ 1MB L2 Cache 90NM Retail Box Reg. Price: $276.14
http://www.ncix.com/products/index.p...anufacture=AMD


and a
Corsair Value Select PC3200 1GB 2X512MB DDR400 184PIN DIMM Dual Channel Memory Kit Reg. Price: $107.68
http://www.ncix.com/products/index.p...acture=CORSAIR


Total $497.67