Ok no problem. 290x is even cheaper. At least get the best 290x in the Sapphire Tri-X
PCPartPicker part list:
http://pcpartpicker.com/p/4vJYqs
Price breakdown by merchant: http://pcpartpicker.com/p/4vJYqs/by_merchant/
CPU: Intel Core i5-4590 3.3GHz Quad-Core Processor ($189.88 @ OutletPC)
Motherboard: ASRock H97M PRO4 Micro ATX LGA1150 Motherboard ($74.98 @ Newegg)
Memory: G.Skill Ripjaws Series 8GB (2 x 4GB) DDR3-1600 Memory ($54.99 @ Newegg)
Storage: Crucial MX100 256GB 2.5" Solid State Drive ($104.99 @ Adorama)
Video Card: Sapphire Radeon R9 290X 4GB Tri-X Video Card ($303.98 @ Newegg)
Case: Fractal Design Define R4 w/Window (Black Pearl) ATX Mid Tower Case ($89.99 @ Newegg)
Power Supply: XFX 650W 80+ Bronze Certified ATX Power Supply ($51.99 @ NCIX US)
Total: $870.80
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-02-22 00:34 EST-0500
This is the best possible use of $870