Way better build for $800:
PCPartPicker part list: http://pcpartpicker.com/p/zQch23
Price breakdown by merchant: http://pcpartpicker.com/p/zQch23/by_merchant/
CPU: Intel Core i5-4460 3.2GHz Quad-Core Processor ($179.99 @ NCIX US)
Motherboard: Asus H81M-D PLUS Micro ATX LGA1150 Motherboard ($44.99 @ Newegg)
Memory: G.Skill Sniper 8GB (2 x 4GB) DDR3-1600 Memory ($72.00 @ Newegg)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($53.98 @ OutletPC)
Video Card: MSI GeForce GTX 970 4GB Twin Frozr V Video Card ($349.99 @ NCIX US)
Case: Cooler Master Elite 431 Plus (Black) ATX Mid Tower Case ($39.99 @ Newegg)
Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($44.99 @ NCIX US)
Optical Drive: Asus DRW-24F1ST DVD/CD Writer ($14.99 @ Amazon)
Wireless Network Adapter: TP-Link TL-WN881ND 802.11b/g/n PCI-Express x1 Wi-Fi Adapter ($17.95 @ Amazon)
Total: $818.87
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-09-28 16:27 EDT-0400
I mean,for $800,you're getting a 970.There is no better build for this money.