First post here, but you guys seem to know a lot about this subject.
Today I bought three monitors and set them up with Nvidia surround on a single gigabyte gtx 670. When playing BF3 and Skyrim, I seem to have extreme stretching on the side monitors. I know some stretching is to be expected, but not to the extreme that I am having it. I'm running at 5760x1080.
If you need other information, please ask away. I'm posting some screenshots to better explain.
Screenshots here.
To give a perspective, the first screenshot is looking head on at a Humvee, the second screenshot is only turning in game, same Humvee.