1) Resolution is much higher this way (11520x8640 instead of 4000x2000) 2) Go for a doctorate in multimedia studies and tell your prof you need 50 screens. Or - try a company that rents multimedia equipment. If you work there, they've always got lots of spare equipment laying around and interested in people that love to find new usages for them. If you're in Switzerland, try http://www.habegger.ch/en/