My oh my how quickly things have changed. 24 channels of video from one box is theoretically possible now but probably not ready for prime time in the dome. We will keep a close eye on this type of product. See; http://www.theinquirer.net/inquirer/news/1652779/powercolor-hd5970-display-outputs
Herein lies the beauty of using commodity hardware for immersive systems. Take special note of the article authors description of a "monitor cave". IMERSA may need to create yet another category of immersive environments. Dan