I have been using the Optoma HD65 for three years now. I love how samll and light it is. I use it outside in summer on a 12' x 6' trapeze screen with rear projection. Looks great and seems bright enough to me. I have 300 hours on mine though. I use it inside on weekends the other 3 seasons with a 98" dia. screen in my HT. Again I think it looks great (but I've never watched a 1080p PJ yet). With that many hours I would plan on a new bulb being needed. I would also want to see it started up before buying. There's a thread for HD65 owners on AVS Forums you can browse through to see pros and cons:
http://www.avsforum.com/avs-vb/showthread.php?t=947156Thanks, I'm currently using a BenQ 100 for the last four years. No complaints and everyone loves the picture. It's only a 480 and 1300 lumens. I just felt if I can get this one for a good price it would be a slight upgrade as I can show blu-rays along with everyone here loving their HD65 or HD66. Again replacement bulbs are fairly low relatively speaking for this projector