This is a good option, This can max out any game on 1080p, and you can upgrade to an 8350 and crossfire the r9 280x.
PCPartPicker part list:
http://pcpartpicker.com/p/VL3vsY
Price breakdown by merchant: http://pcpartpicker.com/p/VL3vsY/by_merchant/
CPU: AMD FX-8320 3.5GHz 8-Core Processor ($149.99 @ Newegg)
CPU Cooler: Cooler Master Hyper 212 Plus 76.8 CFM Sleeve Bearing CPU Cooler ($19.99 @ Newegg)
Motherboard: ASRock 970 EXTREME4 ATX AM3+ Motherboard ($74.49 @ Newegg)
Memory: G.Skill Ripjaws Series 8GB (4 x 2GB) DDR3-1600 Memory ($84.99 @ Newegg)
Video Card: Sapphire Radeon R9 280X 3GB Dual-X Video Card ($263.98 @ Newegg)
Case: Cooler Master HAF 912 ATX Mid Tower Case ($44.99 @ Newegg)
Power Supply: Antec High Current Gamer 620W 80+ Bronze Certified Semi-Modular ATX Power Supply ($64.99 @ Newegg)
Optical Drive: Asus DRW-24F1ST DVD/CD Writer ($14.99 @ Newegg)
Total: $693.41
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-09-18 17:44 EDT-0400
If you live in Canada, I can change it to ca.pcpartpicker.com if you want.