Such cards are out there.
http://www.matrox.com/mga/media_center/press_rel/2003/qid_launch.cfm
However if it stretches some display over 4 monitors is a function of card, application and the OS.
Bob
I'm trying to figure out a way to run four monitors off a single graphics card. I want them to run where each monitor displays a quarter of the entire image (the monitors would be set up in a 2x2 square). Anyone know a good way to do this?

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