PCPartPicker part list:
http://ca.pcpartpicker.com/p/2Fp9C
Price breakdown by merchant: http://ca.pcpartpicker.com/p/2Fp9C/by_merchant/
Benchmarks: http://ca.pcpartpicker.com/p/2Fp9C/benchmarks/
CPU: AMD Athlon II X4 750K 3.4GHz Quad-Core Processor ($88.32 @ TigerDirect Canada)
Motherboard: Asus A55M-E Micro ATX FM2 Motherboard ($61.50 @ Vuugo)
Memory: Crucial 4GB (2 x 2GB) DDR3-1066 Memory ($40.00 @ Vuugo)
Storage: Seagate Barracuda 500GB 3.5" 7200RPM Internal Hard Drive ($52.79 @ DirectCanada)
Video Card: XFX Radeon HD 7790 1GB Video Card ($126.27 @ Newegg Canada)
Case: Apex SK-393-C ATX Mid Tower Case ($24.48 @ DirectCanada)
Power Supply: Antec Basiq 350W ATX Power Supply ($35.50 @ Vuugo)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) ($93.87 @ DirectCanada)
Total: $522.73
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-01-21 22:39 EST-0500)
best i can do