This would be much better.
PCPartPicker part list:
http://pcpartpicker.com/p/WQyhmG
Price breakdown by merchant: http://pcpartpicker.com/p/WQyhmG/by_merchant/
CPU: Intel Core i3-4150 3.5GHz Dual-Core Processor ($118.98 @ SuperBiiz)
Motherboard: ASRock H97 PRO4 ATX LGA1150 Motherboard ($76.66 @ Newegg)
Memory: G.Skill Ripjaws Series 8GB (2 x 4GB) DDR3-1600 Memory ($73.99 @ Newegg)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($52.91 @ OutletPC)
Video Card: Sapphire Radeon R9 280 3GB Dual-X Video Card ($189.99 @ Newegg)
Case: Corsair 200R ATX Mid Tower Case ($44.99 @ NCIX US)
Power Supply: EVGA 600B 600W 80+ Bronze Certified ATX Power Supply ($44.99 @ NCIX US)
Optical Drive: Asus DRW-24B1ST/BLK/B/AS DVD/CD Writer ($16.98 @ OutletPC)
Monitor: Asus VE247H 23.6" Monitor ($139.99 @ Amazon)
Keyboard: Rosewill RIKB-11002 Wired Slim Keyboard ($9.99 @ Amazon)
Mouse: Gigabyte GM-M6800 Wired Optical Mouse ($10.86 @ NCIX US)
Total: $780.33
Prices include shipping, taxes, and discounts when available
That psu has to go for sure. The psu is one thing you cannot cheap out on. I also don't recommend the 2 year old FXs anymore. The i3 is faster most of the time and it's way more future proof since you could upgrade to a 5th gen Intel.