gaming on multiple monitors with nvidia gtx560's in sli.

Okay, so i currently have two monitors and one gtx560 ti and I want to game on multiple monitors. Is this going to work if I get a third screen and another one or two gtx 560's in sli. I've searched on the web and haven't found much. My system specs are on my profile and down the bottom. Any help is appreciated, thanks.

Yes it'll work

What would be bare minimum to run on three monitors? 3 so that the crosshair isnt in the black bar on the side.

In order to run 3 Displays as one big widescreen for gaming or desktop use it's best to have 3 same identical displays as far as i know but you can also run different models but they should have same resolution for better support.. i think the GTX 560 Ti supports 3 display setup as it has 2 DVI Ports and mini HDMI if im not wrong but the I/O are sometimes different on different brands if not the reference model. You have 2x24" Benq's Screens so you should be good to go and the crosshair will not be in black bars while you'll be using same resolutions (not the clone one) i forgot the settings little as i used way back in our office

Yeah I would buy identical cards/screens. Not a problem. I'm just not sure how I would run the games like this. I will be upgrading to dual sli and three monitors at the least in the best future.