Projector Table Price Is There A Difference Between A Video Movie Projector And A Presentation Projector?

Is there a difference between a video movie projector and a presentation projector? - projector table price

1. Subject to the house on a table or on the overhead projector style Mouté

2. Projector super light with you, to your laptop, and a business meeting and video slideshow in connection to connect

there is a difference
I am looking for a video projector that connects to my laptop and play DVDs and play at home or can I style, stay in the house and connects to my stereo and DVD player

what
Tell the system that I could do both

the cheap

What brand / model would you suggest I get a great big display in one.

Thanks

Technical answers calls only, please inform Ron Circuit City and Johns to do "is to install video all day" type of