I went 25$ over the budget but the video card has sleeping dogs included which is 50$. I need someone to correct me if the Power Supply will work.
PCPartPicker part list:
http://pcpartpicker.com/p/ta4f
Price breakdown by merchant: http://pcpartpicker.com/p/ta4f/by_merchant/
Benchmarks: http://pcpartpicker.com/p/ta4f/benchmarks/
CPU: Intel Core i3-3220 3.3GHz Dual-Core Processor ($109.99 @ NCIX US)
Motherboard: MSI B75MA-P45 Micro ATX LGA1155 Motherboard ($54.99 @ Newegg)
Memory: Patriot Intel Extreme Master, Limited Ed 8GB (2 x 4GB) DDR3-1600 Memory ($31.99 @ Amazon)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($67.99 @ NCIX US)
Video Card: MSI Radeon HD 7770 1GB Video Card ($99.99 @ Newegg)
Case: Apex SK-393-C ATX Mid Tower Case ($24.99 @ NCIX US)
Power Supply: Antec 450W ATX12V Power Supply ($30.95 @ NCIX US)
Optical Drive: Lite-On IHAS324-98 DVD/CD Writer ($14.99 @ Newegg)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) ($89.98 @ Outlet PC)
Total: $525.86
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2012-12-18 21:41 EST-0500)