Try -
CPU: Intel Core i5-4690 3.5GHz Quad-Core Processor ($209.99 @ Newegg)
Motherboard: ASRock Fatal1ty H97 Killer ATX LGA1150 Motherboard ($90.98 @ Newegg)
Memory: G.Skill Ares Series 8GB (2 x 4GB) DDR3-1866 Memory ($63.98 @ OutletPC)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($43.79 @ OutletPC)
Video Card: Asus Radeon R7 260X 2GB Video Card ($106.99 @ SuperBiiz)
Case: Corsair Graphite Series 230T Orange ATX Mid Tower Case ($64.99 @ NCIX US)
Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($43.99 @ SuperBiiz)
Optical Drive: Lite-On iHAS124-04 DVD/CD Writer ($16.98 @ OutletPC)
Operating System: Microsoft Windows 8.1 - 64-bit (OEM) (64-bit) ($89.98 @ OutletPC)
Monitor: Asus VE247H 23.6" Monitor ($139.99 @ NCIX US)
Keyboard: Razer BlackWidow Chroma Wired Gaming Keyboard ($164.95 @ Amazon)
Total: $1036.61
If you got a cheaper keyboard (eg Corsair K70) you could get a better graphics card.