A little bit above budget sorry.
PCPartPicker part list:
http://pcpartpicker.com/p/2vk4D
Price breakdown by merchant: http://pcpartpicker.com/p/2vk4D/by_merchant/
Benchmarks: http://pcpartpicker.com/p/2vk4D/benchmarks/
CPU: Intel Core i5-3470 3.2GHz Quad-Core Processor ($189.29 @ Amazon)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($29.98 @ OutletPC)
Motherboard: ASRock H77 Pro4/MVP ATX LGA1155 Motherboard ($80.55 @ Newegg)
Memory: Crucial Ballistix Sport 8GB (2 x 4GB) DDR3-1600 Memory ($89.62 @ TigerDirect)
Storage: Samsung 840 Series 120GB 2.5" Solid State Disk ($109.99 @ Staples)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($59.98 @ OutletPC)
Video Card: Asus Radeon R7 260X 2GB Video Card ($144.99 @ NCIX US)
Case: Corsair 200R ATX Mid Tower Case ($54.98 @ Newegg)
Power Supply: Corsair CX 430W 80+ Bronze Certified Semi-Modular ATX Power Supply ($29.99 @ Newegg)
Optical Drive: Lite-On iHAS124-04 DVD/CD Writer ($14.99 @ Newegg)
Total: $804.36
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-01-04 00:47 EST-0500)