I'm not sure if this would suit your needs, but how about an R2D2 Projector from Nikko <http://www.youtube.com/watch?v=nJsaeFYPuOg>. Oh wait, I don't know if you can connect a computer to it.
Winooski School District
Winooski, VT 05404
Hello all:I need a very, VERY lightweight, good quality LCD projector.This is one that would be on the road alot and good to carry over shoulder.Can any of you recommend one? Must be lightweight.. did I mention that? ;0)Thanks...PeterPeter DrescherEducation Technology CoordinatorVermont Department of Education120 State St.Montpelier, VT 05620-2501802.828.5149 (ph)802.828.6563 (fax)