That is a sick build you can OC that processor to 2.8ghz. Im thinking about getting that same set up.Similar to a build I just posted in another thread.
Case: Coolermaster CAC-T05-WW Centurion 5 $49.99
Newegg.com - COOLER MASTER Centurion 5 CAC-T05-WW Black/Silver Aluminum Bezel, SECC Chassis ATX Mid Tower Computer Case - Retail
Power: HIPER HPU-4K580-MS ATX12V v2.2 580W $89.99
Newegg.com - HIPER HPU-4K580-MS ATX12V v2.2 580W Power Supply 100 - 120V - Retail
Motherboard: BIOSTAR TFORCE 550 Socket AM2 $79.99
Newegg.com - BIOSTAR TFORCE 550 Socket AM2 NVIDIA nForce 550 MCP ATX AMD Motherboard - Retail
CPU: AMD Athlon 64 X2 3600+ Brisbane $65.00
Newegg.com - AMD Athlon 64 X2 3600+ Brisbane 1.9GHz 2 x 512KB L2 Cache Socket AM2 Processor - OEM
Ram: G.SKILL 2GB (2 x 1GB) $154.99
Newegg.com - G.SKILL 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory - Retail
Graphics: EVGA GeForce 8600GTS 256MB $199.99
Newegg.com - EVGA 256-P2-N761-AR GeForce 8600GTS 256MB 128-bit GDDR3 PCI Express x16 HDCP Video Card - Retail
Hard Drive Seagate Barracuda 7200.10 250GB $69.99
Newegg.com - Seagate Barracuda 7200.10 (Perpendicular Recording) ST3250620AS 250GB 7200 RPM 16MB Cache SATA 3.0Gb/s Hard Drive - OEM
Optical: SAMSUNG Black 18X $30.99
Newegg.com - SAMSUNG Black 18X DVD+R 8X DVD+RW 8X DVD+R DL 18X DVD-R 6X DVD-RW 12X DVD-RAM 16X DVD-ROM 48X CD-R 32X CD-RW 48X CD-ROM 2M Cache E-IDE/ATAPI DVD Burner - OEM
CPU Cooler: ARCTIC COOLING Freezer 64 Pro $29.99
Newegg.com - ARCTIC COOLING Freezer 64 Pro 92mm CPU Cooler - Retail
Total: 770.92 + shipping