This is what I gathered from your build.
PCPartPicker part list:
http://pcpartpicker.com/p/3AwtW
Price breakdown by merchant: http://pcpartpicker.com/p/3AwtW/by_merchant/
Benchmarks: http://pcpartpicker.com/p/3AwtW/benchmarks/
CPU: AMD FX-8350 4.0GHz 8-Core Processor ($189.99 @ Amazon)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($29.98 @ OutletPC)
Motherboard: Gigabyte GA-990FXA-UD3 ATX AM3+ Motherboard ($123.00 @ Newegg)
Memory: Crucial Ballistix Sport 8GB (2 x 4GB) DDR3-1600 Memory ($77.99 @ Newegg)
Video Card: Gigabyte Radeon R9 270X 2GB WINDFORCE Video Card ($199.99 @ NCIX US)
Case: Cooler Master HAF 912 ATX Mid Tower Case ($47.00 @ Newegg)
Power Supply: Corsair CSM 750W 80+ Gold Certified Semi-Modular ATX Power Supply ($99.99 @ Micro Center)
Optical Drive: LG GH24NSB0 DVD/CD Writer ($14.99 @ Newegg)
Operating System: Microsoft Windows 8.1 (OEM) (64-bit) ($89.99 @ NCIX US)
Total: $872.92
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-04-29 02:02 EDT-0400)
And this is how I would change it if you insist on staying with AMD.
PCPartPicker part list:
http://pcpartpicker.com/p/3AwER
Price breakdown by merchant: http://pcpartpicker.com/p/3AwER/by_merchant/
Benchmarks: http://pcpartpicker.com/p/3AwER/benchmarks/
CPU: AMD FX-8320 3.5GHz 8-Core Processor ($151.98 @ OutletPC)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($29.98 @ OutletPC)
Motherboard: Gigabyte GA-970A-UD3P ATX AM3+ Motherboard ($79.99 @ Newegg)
Memory: AMD Radeon R9 Gamer Series 8GB (2 x 4GB) DDR3-2133 Memory ($70.38 @ NCIX US)
Video Card: MSI GeForce GTX 770 2GB TWIN FROZR Video Card ($319.99 @ Newegg)
Case: Cougar Solution (Black) ATX Mid Tower Case ($34.99 @ Newegg)
Power Supply: Antec High Current Gamer 620W 80+ Bronze Certified Semi-Modular ATX Power Supply ($67.99 @ NCIX US)
Optical Drive: LG GH24NSB0 DVD/CD Writer ($19.99 @ Newegg)
Operating System: Microsoft Windows 8.1 (OEM) (64-bit) ($89.99 @ NCIX US)
Total: $856.28
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-04-29 02:10 EDT-0400)
And this is what I would do
PCPartPicker part list:
http://pcpartpicker.com/p/3AwC0
Price breakdown by merchant: http://pcpartpicker.com/p/3AwC0/by_merchant/
Benchmarks: http://pcpartpicker.com/p/3AwC0/benchmarks/
CPU: Intel Core i5-4570 3.2GHz Quad-Core Processor ($189.99 @ Amazon)
Motherboard: ASRock B85 Pro4 ATX LGA1150 Motherboard ($69.99 @ Newegg)
Memory: G.Skill Ares Series 8GB (2 x 4GB) DDR3-1600 Memory ($68.99 @ Newegg)
Video Card: MSI GeForce GTX 770 2GB TWIN FROZR Video Card ($319.99 @ Newegg)
Case: Cougar Solution (Black) ATX Mid Tower Case ($34.99 @ Newegg)
Power Supply: Antec High Current Gamer 620W 80+ Bronze Certified Semi-Modular ATX Power Supply ($67.99 @ NCIX US)
Optical Drive: LG GH24NSB0 DVD/CD Writer ($14.99 @ Newegg)
Operating System: Microsoft Windows 8.1 (OEM) (64-bit) ($89.99 @ NCIX US)
Total: $856.92
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-04-29 02:13 EDT-0400)