Same, OS puts you over the top. Though for a slight increase you can get the FX-6300
PCPartPicker part list:
http://pcpartpicker.com/p/17UYl
Price breakdown by merchant: http://pcpartpicker.com/p/17UYl/by_merchant/
Benchmarks: http://pcpartpicker.com/p/17UYl/benchmarks/
CPU: AMD Phenom II X4 965 Black 3.4GHz Quad-Core Processor ($84.98 @ Amazon)
Motherboard: ASRock 970DE3/U3S3 ATX AM3+ Motherboard ($75.98 @ SuperBiiz)
Memory: Kingston HyperX 4GB (2 x 2GB) DDR3-1600 Memory ($37.98 @ Amazon)
Storage: Seagate Barracuda 500GB 3.5" 7200RPM Internal Hard Drive ($54.98 @ Outlet PC)
Video Card: Sapphire Radeon HD 7770 GHz Edition 1GB Video Card ($94.99 @ Newegg)
Case: Cooler Master Elite 430 ATX Mid Tower Case ($29.99 @ Newegg)
Power Supply: Corsair Builder 430W 80 PLUS Certified ATX12V Power Supply ($19.99 @ Newegg)
Optical Drive: LG GH24NS95 DVD/CD Writer ($14.99 @ Newegg)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) ($89.98 @ Outlet PC)
Total: $503.86
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-06-18 21:37 EDT-0400)