If you don't like crossfire,then you can go with a Titan Black:
PCPartPicker part list:
http://pcpartpicker.com/p/PjzXVn
Price breakdown by merchant: http://pcpartpicker.com/p/PjzXVn/by_merchant/
CPU: Intel Core i7-4790K 4.0GHz Quad-Core Processor ($329.99 @ Newegg)
CPU Cooler: Corsair H100i 77.0 CFM Liquid CPU Cooler ($94.99 @ Amazon)
Motherboard: Asus MAXIMUS VII HERO ATX LGA1150 Motherboard ($208.98 @ SuperBiiz)
Memory: Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory ($87.31 @ OutletPC)
Storage: Samsung 840 EVO 120GB 2.5" Solid State Drive ($77.99 @ NCIX US)
Storage: Seagate Barracuda 2TB 3.5" 7200RPM Internal Hard Drive ($83.49 @ OutletPC)
Video Card: Asus GeForce GTX Titan Black 6GB Video Card ($999.99 @ Amazon)
Case: Cooler Master HAF 932 Advanced ATX Full Tower Case ($139.99 @ Newegg)
Power Supply: EVGA SuperNOVA 1000G2 1000W 80+ Gold Certified Fully-Modular ATX Power Supply ($146.81 @ Newegg)
Optical Drive: LG GH24NSB0 DVD/CD Writer ($13.99 @ Newegg)
Total: $2183.53
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-08-15 09:19 EDT-0400
Or a 780 Ti:
PCPartPicker part list:
http://pcpartpicker.com/p/GyMMMp
Price breakdown by merchant: http://pcpartpicker.com/p/GyMMMp/by_merchant/
CPU: Intel Core i7-4790K 4.0GHz Quad-Core Processor ($329.99 @ Newegg)
CPU Cooler: Corsair H100i 77.0 CFM Liquid CPU Cooler ($94.99 @ Amazon)
Motherboard: Asus MAXIMUS VII HERO ATX LGA1150 Motherboard ($208.98 @ SuperBiiz)
Memory: Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory ($87.31 @ OutletPC)
Storage: Samsung 840 EVO 120GB 2.5" Solid State Drive ($77.99 @ NCIX US)
Storage: Seagate Barracuda 2TB 3.5" 7200RPM Internal Hard Drive ($83.49 @ OutletPC)
Video Card: Gigabyte GeForce GTX 780 Ti 3GB WINDFORCE Video Card ($629.99 @ Newegg)
Case: Cooler Master HAF 932 Advanced ATX Full Tower Case ($139.99 @ Newegg)
Power Supply: EVGA SuperNOVA 1000G2 1000W 80+ Gold Certified Fully-Modular ATX Power Supply ($146.81 @ Newegg)
Optical Drive: LG GH24NSB0 DVD/CD Writer ($13.99 @ Newegg)
Total: $1813.53
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-08-15 09:20 EDT-0400