Check this crossfire-ready build. Great CPU and GPU.
PCPartPicker part list:
http://pcpartpicker.com/p/1TJ53
Price breakdown by merchant: http://pcpartpicker.com/p/1TJ53/by_merchant/
Benchmarks: http://pcpartpicker.com/p/1TJ53/benchmarks/
CPU: Intel Xeon E3-1230 V2 3.3GHz Quad-Core Processor ($225.48 @ SuperBiiz)
Motherboard: Asus P8Z77-V LK ATX LGA1155 Motherboard ($104.99 @ Newegg)
Memory: Patriot Viper 3 16GB (2 x 8GB) DDR3-1600 Memory ($124.99 @ Newegg)
Storage: Samsung 840 EVO 120GB 2.5" Solid State Disk ($98.99 @ Mac Mall)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($58.99 @ NCIX US)
Video Card: XFX Radeon HD 7950 3GB Video Card ($245.66 @ Newegg)
Case: Corsair 500R White ATX Mid Tower Case ($74.99 @ Newegg)
Power Supply: SeaSonic M12II 850W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply ($69.99 @ Newegg)
Optical Drive: Lite-On iHAS124-04 DVD/CD Writer ($14.98 @ Outlet PC)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) ($84.99 @ NCIX US)
Monitor: LG 27EA33V 60Hz 27.0" Monitor ($229.99 @ Newegg)
Total: $1334.04
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-10-27 03:19 EDT-0400)