PCPartPicker part list:
http://pcpartpicker.com/p/2E6DP
Price breakdown by merchant: http://pcpartpicker.com/p/2E6DP/by_merchant/
Benchmarks: http://pcpartpicker.com/p/2E6DP/benchmarks/
CPU: Intel Core i5-4440 3.1GHz Quad-Core Processor ($189.98 @ SuperBiiz)
Motherboard: Asus H81M-E Micro ATX LGA1150 Motherboard ($57.93 @ OutletPC)
Memory: Corsair Vengeance LP 8GB (1 x 8GB) DDR3-1600 Memory ($69.99 @ Newegg)
Storage: Seagate Barracuda 2TB 3.5" 7200RPM Internal Hard Drive ($82.99 @ NCIX US)
Video Card: Gigabyte Radeon HD 7790 1GB Video Card ($99.99 @ Newegg)
Wireless Network Adapter: Encore ENUWI-1XN4M 802.11b/g/n USB 2.0 Wi-Fi Adapter ($5.79 @ Amazon)
Case: Sentey CS1-1398 PLUS ATX Mid Tower Case ($19.99 @ Newegg)
Power Supply: Corsair Builder 430W 80+ Bronze Certified ATX Power Supply ($19.99 @ Newegg)
Optical Drive: LG GH24NSB0 DVD/CD Writer ($15.99 @ Microcenter)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) ($86.99 @ NCIX US)
Total: $649.63
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-01-19 20:33 EST-0500)