Current budget is around $650 without peripherals, $775 with. I have a nice mouse and headset, so I really just need a keyboard and a monitor.
Build I'm currently looking at:
CPU: AMD FX-6300 3.5GHz 6-Core Processor ($117.97 @ SuperBiiz)
Motherboard: Asus M5A97 LE R2.0 ATX AM3+ Motherboard ($69.99 @ Microcenter)
Memory: Corsair Vengeance LP 8GB (2 x 4GB) DDR3-1866 Memory ($81.00 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($59.98 @ OutletPC)
Video Card: Asus Radeon R9 270X 2GB Video Card ($209.99 @ Amazon)
Case: Zalman Z9 ATX Mid Tower Case ($39.99 @ Microcenter)
Power Supply: Corsair Builder 500W 80 PLUS Bronze Certified ATX12V Power Supply ($24.99 @ Newegg)
Optical Drive: Asus DRW-24B1ST/BLK/B/AS DVD/CD Writer ($18.48 @ OutletPC)
Total: $622.39
Thoughts?