I'd like some input or suggestions on this build. Inspiration is taken from Marest's Gaming 1750 and Extreme Gaming 2600 builds, except with dual 6970 GPUs and a Case/PSU from NZXT. I'm planning on purchasing the parts in the next 2-3 weeks.
Budget: ~2000
Resolution: 1920 x 1200
Games / Settings Desired: Diablo III, MoP, Guild Wars 2. Settings on high/ultra.
Country: USA
Parts that can be reused: I don't need hard drives or peripherals.
MoBo: GIGABYTE GA-Z68XP-UD3P - $179.99
CPU: Intel i7 2600k - $319.99
RAM: CORSAIR Vengeance 4x4GB - 94.99
GPU1: Gigabyte Radeon 6970 - $367.86
GPU2: Gigabyte Radeon 6970 - $367.86
SSD: Crucial M4 128GB - $184.99
PSU: NZXT Hale 850W - $179.99
Heatsink: Noctua NH-D14 - $89.99
Case: NZXT Switch 810 [Available Soon] - $169.99
Total: $1955.65