If I wanted to put 2 or more Laptop LCD's together for use in a PC would I need more than 1 controller? I think it would be awsome to build your own large widescreen flat panel display. You could put 4 of them together to make a Super LCD. If it requires more than 1 controller card it might get very expensive.
If you want to power more than one LCD-sized image (i.e like a dual image) then you'd need at least one controller card and i'm not sure there's any software which suppoerts more than one LCD at the same time, i could be wrong though. If you wanted to clone the image, you could simply split the input wires... Welcome to the boards btw