PCPartPicker part list:
http://pcpartpicker.com/p/30UAr
Price breakdown by merchant: http://pcpartpicker.com/p/30UAr/by_merchant/
Benchmarks: http://pcpartpicker.com/p/30UAr/benchmarks/
CPU: AMD FX-6200 3.8GHz 6-Core Processor ($119.98 @ SuperBiiz)
Motherboard: Asus M5A97 LE R2.0 ATX AM3+ Motherboard ($84.97 @ OutletPC)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($74.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($59.99 @ Newegg)
Video Card: EVGA GeForce GTX 750 Ti 2GB Video Card ($159.99 @ Amazon)
Case: NZXT Gamma Classic (Black) ATX Mid Tower Case ($39.99 @ Best Buy)
Power Supply: Antec 450W ATX Power Supply ($34.99 @ Newegg)
Optical Drive: LG GH24NSB0 DVD/CD Writer ($14.99 @ Newegg)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) ($94.98 @ OutletPC)
Total: $684.87
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-02-27 03:29 EST-0500)
and here is the review and benchmarks for 750 ti (pretty impressed) and the evga is the fastest one. build also has a nice blue theme.
http://www.tomshardware.com/reviews/geforce-gtx-750-ti-review,3750-9.html