PCPartPicker part list:
http://pcpartpicker.com/p/1gM2v
Price breakdown by merchant: http://pcpartpicker.com/p/1gM2v/by_merchant/
Benchmarks: http://pcpartpicker.com/p/1gM2v/benchmarks/
CPU: Intel Core i5-4670K 3.4GHz Quad-Core Processor ($239.99 @ Newegg)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($29.98 @ Outlet PC)
Motherboard: ASRock Z87 Extreme6 ATX LGA1150 Motherboard ($189.99 @ Newegg)
Memory: G.Skill Sniper Series 8GB (2 x 4GB) DDR3-1866 Memory ($63.99 @ Newegg)
Storage: Samsung 840 Series 120GB 2.5" Solid State Disk ($92.99 @ NCIX US)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($66.61 @ Outlet PC)
Video Card: PowerColor Radeon HD 7970 3GB Video Card ($329.99 @ Newegg)
Case: Corsair 200R ATX Mid Tower Case ($52.98 @ Newegg)
Power Supply: XFX 750W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply ($54.99 @ Newegg)
Optical Drive: Lite-On iHAS124-04 DVD/CD Writer ($16.99 @ NCIX US)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) ($89.98 @ Outlet PC)
Monitor: Asus VS238H-P 23.0" Monitor ($119.99 @ Newegg)
Total: $1264.47
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-07-15 00:06 EDT-0400)
Here you go buddy. I think this is the best you can get for your budget, which is a bit tight because of both the OS + the Monitor.
But i got the best i could, i would've perfered a R4 Fractual Case, but that's 30$ more. Which will push the budget a lot over.