Firing Squad has done a review of the Surround Gaming feature of Matrox's Parhelia. That's when you get a three screen set-up. The review goes through first person shooters, RPGs, strategy games, and racing/simulation games. There seems to some argument for the guy who can benefit from the extra productivity that a 3 screen set-up gives under normal working conditions, with the added bonus of wide-o-rama gaming. Not everyone's bag, but it sure makes you think about the possibilities.

Let the Firing Sqaud experts take you through the motions here.