PCPartPicker part list:
http://pcpartpicker.com/p/wgQQBm
Price breakdown by merchant: http://pcpartpicker.com/p/wgQQBm/by_merchant/
CPU: Intel Core i7-3970X Extreme Edition 3.5GHz 6-Core Processor ($1107.27 @ TigerDirect)
CPU Cooler: Thermaltake Water 2.0 Extreme 81.3 CFM Liquid CPU Cooler ($147.27 @ TigerDirect)
Motherboard: ASRock X79 Extreme11 EATX LGA2011 Motherboard ($599.99 @ SuperBiiz)
Memory: G.Skill Ripjaws Z Series 64GB (8 x 8GB) DDR3-2400 Memory ($755.66 @ Newegg)
Storage: OCZ Z-Drive R4 CM88 1.6TB PCI-E Solid State Drive ($8401.98 @ Newegg)
Video Card: EVGA GeForce GTX Titan Z 12GB Superclocked Video Card (2-Way SLI) ($1658.99 @ Newegg)
Video Card: EVGA GeForce GTX Titan Z 12GB Superclocked Video Card (2-Way SLI) ($1658.99 @ Newegg)
Case: NZXT Phantom 820 (Black) ATX Full Tower Case ($219.98 @ SuperBiiz)
Power Supply: Corsair AX1500i 1500W 80+ Titanium Certified Fully-Modular ATX Power Supply ($414.98 @ NCIX US)
Total: $14965.11
With a 1.6 tb ssd you'll be booting up incredibly fast.