PCPartPicker part list:
http://pcpartpicker.com/p/3teE0
Price breakdown by merchant: http://pcpartpicker.com/p/3teE0/by_merchant/
Benchmarks: http://pcpartpicker.com/p/3teE0/benchmarks/
CPU: AMD Athlon X4 760K 3.8GHz Quad-Core Processor ($84.73 @ OutletPC)
Motherboard: ASRock FM2A55M-VG3+ Micro ATX FM2+ Motherboard ($42.99 @ Newegg)
Memory: Kingston Blu 8GB (2 x 4GB) DDR3-1600 Memory ($64.99 @ Newegg)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($54.99 @ Amazon)
Video Card: EVGA GeForce GTX 760 2GB Video Card ($234.99 @ Micro Center)
Case: Xigmatek Recon ATX Mid Tower Case ($29.99 @ Newegg)
Power Supply: SeaSonic S12II 520W 80+ Bronze Certified ATX Power Supply ($65.99 @ SuperBiiz)
Optical Drive: LG GH24NSB0 DVD/CD Writer ($15.98 @ OutletPC)
Operating System: Microsoft Windows 8.1 (OEM) (64-bit) ($89.98 @ OutletPC)
Total: $684.63
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-04-17 03:39 EDT-0400)