I made my own 83" 16x9 fixed front projector screen for under $100 and the picture is fantastic! :-) If you are so inclined you could take advantage of some great cost savings by making your own.
I have owned the InFocus X1 for a year now. I would love to own the InFocus 4805. It is what I wanted all along in an entry level front projector. I have been and continue to be happy with the X1 however. If I had the money to upgrade I would move up to the 4805 without a second thought.
-Lowpro
LP Related Links: View my profile to access various links to key posts and downloads.