Is it for gaming and do you mind black and orange monitors (only a little bit of orange on there)?
The
Acer GD235HZbid is $230 each with 120Hz refresh (even in 2D), 2ms response and 3D. Three of these would be great for gaming. The 120Hz would reduce the possibility of tearing in 2D. The only downside is the bezel is a little larger than ideal, but these are a heck of a deal that will give you a 5760x1080 desktop not to mention 3D capability (you'll need to pick up the Nvidia 3D Vision kit to realize this though).