PCPartPicker part list:
http://pcpartpicker.com/p/22wtw
Price breakdown by merchant: http://pcpartpicker.com/p/22wtw/by_merchant/
Benchmarks: http://pcpartpicker.com/p/22wtw/benchmarks/
CPU: AMD Athlon II X4 760K 3.8GHz Quad-Core Processor ($77.00 @ Amazon)
Motherboard: MSI FM2-A75MA-E35 Micro ATX FM2 Motherboard ($59.99 @ Newegg)
Memory: Crucial Ballistix Sport 8GB (2 x 4GB) DDR3-1600 Memory ($64.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($59.98 @ OutletPC)
Video Card: PowerColor Radeon HD 7870 XT 2GB Video Card ($163.98 @ Newegg)
Case: NZXT Source 210 (Black) ATX Mid Tower Case ($34.72 @ Amazon)
Power Supply: Corsair Builder 600W 80+ Bronze Certified ATX Power Supply ($37.99 @ Newegg)
Optical Drive: Lite-On iHAS124-04 DVD/CD Writer ($16.98 @ OutletPC)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) ($89.00 @ Amazon)
Total: $596.63
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-11-14 22:32 EST-0500)