I put this up together:
PCPartPicker part list:
http://pcpartpicker.com/p/1PaSz
Price breakdown by merchant: http://pcpartpicker.com/p/1PaSz/by_merchant/
Benchmarks: http://pcpartpicker.com/p/1PaSz/benchmarks/
CPU: AMD FX-6300 3.5GHz 6-Core Processor ($119.99 @ Newegg)
Motherboard: MSI 970A-G43 ATX AM3+ Motherboard ($72.91 @ Newegg)
Memory: Kingston Blu Red Series 8GB (2 x 4GB) DDR3-1333 Memory ($48.96 @ NCIX US)
Storage: Samsung 840 EVO 120GB 2.5" Solid State Disk ($99.99 @ Amazon)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($59.98 @ Outlet PC)
Video Card: XFX Radeon HD 7850 2GB Video Card ($119.99 @ Newegg)
Case: NZXT Source 210 (Black) ATX Mid Tower Case ($35.94 @ Amazon)
Power Supply: Corsair Builder 600W 80 PLUS Bronze Certified ATX12V Power Supply ($49.99 @ Microcenter)
Optical Drive: LG GH24NS95 DVD/CD Writer ($15.00 @ Newegg)
Total: $602.75
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-10-15 15:37 EDT-0400)