Any experienced Projector users?

I know there are a ton of websites and info to be found but there is a certain comfort asking people on Audiogon questions I have, I have done a ton of research so I dont have a ton of question's and just need to confirm some ideas and options.
If anyone out there is up on the more budget end of projectors let me know please.
Main concerns are ceiling height placement, lens shift and zoom options and a few general concerns....thanks