PCPartPicker part list:
http://pcpartpicker.com/p/PZ9fkL
Price breakdown by merchant: http://pcpartpicker.com/p/PZ9fkL/by_merchant/
CPU: AMD FX-8350 4.0GHz 8-Core Processor ($159.98 @ OutletPC)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($31.99 @ Directron)
Motherboard: Gigabyte GA-970A-UD3P ATX AM3+ Motherboard ($84.98 @ SuperBiiz)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1866 Memory ($81.99 @ Newegg)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($53.59 @ Directron)
Video Card: Sapphire Radeon R9 280 3GB Dual-X Video Card ($203.98 @ Newegg)
Case: Phanteks Enthoo Pro ATX Full Tower Case ($99.99 @ Newegg)
Power Supply: EVGA SuperNOVA NEX 750W 80+ Bronze Certified Semi-Modular ATX Power Supply ($74.98 @ OutletPC)
Optical Drive: Asus DRW-24B1ST/BLK/B/AS DVD/CD Writer ($16.98 @ OutletPC)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) ($94.99 @ NCIX US)
Wireless Network Adapter: Rosewill RNX-N250PCe 802.11b/g/n PCI-Express x1 Wi-Fi Adapter ($16.70 @ Amazon)
Total: $920.15
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-12-14 05:29 EST-0500
Better mobo with a higher power phase and ram for FX builds, it can be hard to get 2133mhz working sometimes.
The only other thing I would suggest is Windows 8.1 and a 280x.