Summary: I purchased this product in May, 2014 and used it for a few business presentations. This summer, I built a screen with Carl's folder cloth and was initially very pleased with the brightness and color renditions of the projected image. Then, with a mere 17 hours on the unit (display menu shows elapsed bulb time), the picture completely failed color-wise. I am sending it back for warranty repair now.
Summary: Advise from experience, 1 Even you want to spend couple of hundred dollars more, Buy from best in the product manufacturers. 2 Don’t believe buying from Amazon is worry free. Third party Seller might be horrible when it comes to return. I upgraded from Viewsonic to Acer to have 3D , (The only 1 star is for on time delivery , might go to carrier). As I bought this product, I also upgraded to LG BP530 player, and bought RF shutter glasses.