You should not really be spending ANY less that the below. This is monitor EXCLUDING.
PCPartPicker part list:
http://pcpartpicker.com/p/1eZea
Price breakdown by merchant: http://pcpartpicker.com/p/1eZea/by_merchant/
Benchmarks: http://pcpartpicker.com/p/1eZea/benchmarks/
CPU: AMD FX-6300 3.5GHz 6-Core Processor ($119.99 @ Newegg)
Motherboard: Asus M5A97 LE R2.0 ATX AM3+ Motherboard ($68.99 @ Newegg)
Memory: Crucial Ballistix Sport 4GB (2 x 2GB) DDR3-1600 Memory ($35.99 @ Microcenter)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($69.99 @ Newegg)
Video Card: MSI GeForce GTX 650 Ti Boost 2GB Video Card ($159.98 @ Newegg)
Case: Corsair 200R ATX Mid Tower Case ($49.99 @ Microcenter)
Power Supply: Corsair Builder 500W 80 PLUS Bronze Certified ATX12V Power Supply ($57.74 @ Amazon)
Optical Drive: LG GH24NS95 DVD/CD Writer ($15.98 @ Outlet PC)
Operating System: Microsoft Windows 8 (OEM) (64-bit) ($87.98 @ Outlet PC)
Total: $653.63
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-07-09 20:21 EDT-0400)
EDIT : Fixed, I added a 1GB instead of 2GB card.