Gtx 670. The rest of my system is. 1 x DisplayPort DVI.
To be honest that gtx 670 might be a bit slow for the latest games at 1440p but Id still get the screen first and maybe upgrade the GPU later. Towns are very straining in Far Cry 3. The 690s rarified price--a cool grand if you can find it--makes it of.
The range of scores 95th - 5th percentile for the Nvidia GTX 670 is just 659.
1 x DisplayPort DVI. And NVIDIA Surround lets you game on three monitors from a single card. Windows 8 Pro 64-bit. To be honest that gtx 670 might be a bit slow for the latest games at 1440p but Id still get the screen first and maybe upgrade the GPU later.