Click to viewOne of our readers - who would prefer to remain nameless - installs PC rigs for a living. He helped install this one, in a government office, then proceeded to do what anyone confronted by twenty-seven 67" HD monitors would do - he played a ton of BioShock and WoW on it. For reference, 27 panels equates to a display that's 40 feet wide and 15 feet high, with a desktop resolution of, oh, 12600 x 3150.
UPDATE - Bigger version after the jump for all those asking.