I've been wanting to do teh projector thing for about 8 years now. Thet price for these things is finally starting to come down - a bit. The biggest problems with projectors is that they don't like altitude and the bulbs cost $300+. If you only use it on occasion, it's not too bad and you should be able to keep it going for a couple of years before having to replace the bulb. If you use it every day, expect to replace the bulb every couple/few months. (We use HD projectors for mission and T.V. @ work & my shop is responsible for maintaining them so I have a bit of experience with these devices.)