Here is a list of parts I came up with.
CPU- AMD Athlon 64 X2 6000+ Windsor 3.0GHz 2 x 1MB L2 Cache Socket AM2 125W Dual-Core Processor [$113.99]**
Video Card- XFX GeForce 9800 GTX Video Card - FREE Company of Heroes PC Game, 512MB DDR3, PCI Express 2.0, SLI Ready, (Dual Link) Dual DVI, HDTV, HDMI Support, Dual VGA Support [$199.99]**
Hard Drive- Western Digital Caviar SE WD5000AAJS 500GB 7200 RPM 8MB Cache SATA 3.0Gb/s Hard Drive - OEM [$79.99]**
Power Supply- Rosewill RP550-2 ATX12V v2.01 550W Power Supply 115/230 V CSA,UL,TUV, FCC [$69.99 ]**-----
Motherboard- GIGABYTE GA-MA770-DS3 AM2+/AM2 AMD 770 ATX All Solid Capacitor AMD Motherboard [$89.99]
Memory- OCZ Platinum Revision-2 2048MB PC6400 DDR2 800MHz Dual Channel Memory (2 x 1024MB) [$56.99]**
Case- Ultra Black Aluminus ATX Mid-Tower Case with Clear Side, Front USB, Firewire and Audio Ports [$99.99]** Comes with 500W Power Supply
Total-$640.94
Links-
CPU-http://www.newegg.com/Product/Product.aspx?Item=N82E16819103773
Video Card-http://www.newegg.com/Product/Product.aspx?Item=N82E16814150280&Tpk=XFX%2bPVT88PYSF4%2bGeForce%2b8800%2bGT%2b512MB%2b256-bit%2bGDDR3
Hard Drive-http://www.newegg.com/Product/Product.aspx?Item=N82E16822136178
Power Supply-Comes With Case.
Motherboard-http://www.newegg.com/Product/Product.aspx?Item=N82E16813128081
Memory-http://www.tigerdirect.com/applications/searchtools/item-Details.asp?EdpNo=2882686&sku=O261-8070&srkey=OCZ%20Platinum%20Revision-2%202048MB%20PC6400%20DDR2%20800MHz%20Dual%20Channel%20Memory%20(2%20x%201024MB)
Case-http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1776113&CatId=1858
If you see any conflicts or possible problems with the parts I have chosen please reply.