PCPartPicker part list: http://pcpartpicker.com/p/oH90
Price breakdown by merchant: http://pcpartpicker.com/p/oH90/by_merchant/
Benchmarks: http://pcpartpicker.com/p/oH90/benchmarks/

CPU: AMD FX-8350 4.0GHz 8-Core Processor  ($199.98 @ NCIX US)
CPU Cooler: Cooler Master Hyper 212 Plus 76.8 CFM Sleeve Bearing CPU Cooler  ($23.99 @ SuperBiiz)
Motherboard: Gigabyte GA-990FXA-UD3 ATX  AM3+ Motherboard  ($99.99 @ Newegg)
Memory: G.Skill Ripjaws Series 8GB (2 x 4GB) DDR3-1600 Memory  ($24.99 @ Newegg)
Storage: Seagate Barracuda 2TB 3.5" 7200RPM Internal Hard Drive  ($69.99 @ Newegg)
Video Card: Sapphire Radeon HD 7870 2GB Video Card  ($239.98 @ Newegg)
Case: Corsair 400R ATX Mid Tower Case  ($59.99 @ Newegg)
Power Supply: SeaSonic 620W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply  ($83.99 @ SuperBiiz)
Keyboard: Logitech MK120 Wired Slim Keyboard w/Optical Mouse  ($15.30 @ Amazon)
Total: $818.20
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2012-11-21 19:20 EST-0500)