Changed some parts. for better performance and price.
PCPartPicker part list:
http://pcpartpicker.com/p/BJVW
Price breakdown by merchant: http://pcpartpicker.com/p/BJVW/by_merchant/
Benchmarks: http://pcpartpicker.com/p/BJVW/benchmarks/
CPU: Intel Core i5-3470 3.2GHz Quad-Core Processor ($149.99 @ Microcenter)
Motherboard: ASRock H77M Micro ATX LGA1155 Motherboard ($69.99 @ Newegg)
Memory: Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory ($44.99 @ Amazon)
Video Card: Sapphire Radeon HD 7950 3GB Video Card ($279.99 @ Newegg)
Case: Rosewill Line-M MicroATX Mini Tower Case ($54.99 @ Newegg)
Power Supply: SeaSonic 620W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply ($79.99 @ Amazon)
Optical Drive: Lite-On iHAS124-04 DVD/CD Writer ($16.98 @ Outlet PC)
Monitor: Asus VS228H-P 21.5" Monitor ($134.99 @ Newegg)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) ($89.98 @ Outlet PC)
Total: $911.89
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-02-05 21:55 EST-0500)