Intel Core 2 Duo E6400 Dual Core Processor LGA775 Conroe 2.13GHZ 1066FSB 2MB Retail $302.10

Abit AB9 Pro ATX LGA775 P965 DDR2 1PCI-E16X 2PCI-E1X 2PCI SATA2 GBLAN Sound Motherboard $183.54
Total: $ 485.64

Good luck everyone!