Make sure you check page #2 too [1]. More build pics, bulb encasing design, cooling, and thermal images. These guys are pretty good marketers. I want to attempt this, and I am not even in the market for a projector, I mean you cannot get better than this for a DIY project [2, 3].
[1] http://forum.allinbox.com/aspectgeek/Projetsencours/18/photo...
[2] http://i.imgur.com/PoIY7aR.jpg
[3] http://i.imgur.com/SNvdzcr.jpg