PCPartPicker part list:
http://pcpartpicker.com/p/2EfUi
Price breakdown by merchant: http://pcpartpicker.com/p/2EfUi/by_merchant/
Benchmarks: http://pcpartpicker.com/p/2EfUi/benchmarks/
CPU: AMD FX-8320 3.5GHz 8-Core Processor ($134.99 @ Amazon)
Motherboard: Gigabyte GA-970A-DS3P ATX AM3+ Motherboard ($79.98 @ SuperBiiz)
Memory: Kingston Blu 8GB (2 x 4GB) DDR3-1600 Memory ($69.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($59.98 @ OutletPC)
Video Card: Asus Radeon R9 280X 3GB Video Card ($359.99 @ B&H)
Case: Rosewill CHALLENGER ATX Mid Tower Case ($45.19 @ Amazon)
Power Supply: Corsair Builder 600W 80+ Bronze Certified ATX Power Supply ($39.99 @ Newegg)
Optical Drive: Samsung SH-224DB/BEBE DVD/CD Writer ($16.98 @ OutletPC)
Total: $807.09
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-01-20 02:01 EST-0500)