I'd change a few things to -
CPU: AMD FX-8320 3.5GHz 8-Core Processor ($132.98 @ OutletPC)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($34.99 @ Newegg)
Motherboard: Gigabyte GA-970A-UD3P ATX AM3+ Motherboard ($74.99 @ Micro Center)
Memory: G.Skill Ares Series 8GB (2 x 4GB) DDR3-1600 Memory ($69.99 @ Newegg)
Storage: Seagate Barracuda ES 1TB 3.5" 7200RPM Internal Hard Drive ($53.19 @ Amazon)
Video Card: Asus Radeon R9 270X 2GB DirectCU II Video Card ($168.99 @ SuperBiiz)
Case: BitFenix Outlaw White USB3.0 ATX Mid Tower Case ($64.99 @ SuperBiiz)
Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($52.99 @ Newegg)
Monitor: Asus VE247H 23.6" Monitor ($137.99 @ SuperBiiz)
Keyboard: Microsoft SIDEWINDER X4 Wired Gaming Keyboard ($49.99 @ Newegg)
Mouse: AZIO GM2400 Wired Optical Mouse ($15.99 @ NCIX US)
Total: $849.08