PCPartPicker part list:
http://pcpartpicker.com/p/37NYe
Price breakdown by merchant: http://pcpartpicker.com/p/37NYe/by_merchant/
Benchmarks: http://pcpartpicker.com/p/37NYe/benchmarks/
CPU: AMD FX-6300 3.5GHz 6-Core Processor ($109.99 @ Newegg)
Motherboard: Asus M5A99X EVO R2.0 ATX AM3+ Motherboard ($114.97 @ OutletPC)
Memory: Kingston Blu 8GB (2 x 4GB) DDR3-1600 Memory ($69.99 @ Amazon)
Storage: Hitachi Ultrastar 1TB 3.5" 7200RPM Internal Hard Drive
Video Card: Asus GeForce GTX 760 2GB Video Card ($249.99 @ NCIX US)
Case: NZXT Phantom 410 (Gunmetal/Black) ATX Mid Tower Case ($89.99 @ Newegg)
Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($59.99 @ Newegg)
Keyboard: Cooler Master CM Storm Devastator Gaming Bundle Wired Gaming Keyboard w/Optical Mouse ($29.99 @ Amazon)
Total: $724.91
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-03-11 00:24 EDT-0400)