Having used projectors with computers for quite a while, a good one makes a big difference, especially if you are giving a demo. They just get smaller and smaller.
This one from Casio caught my eye in a magazine ad. I have no idea if it is any good. Have you used one, if so, let me know?
The limiting factor seems to have become the size of the light bulb and more importantly the heat it generates. If we could get LED’s to glow super bright, then laptops could have a camera facing the keyboard and a projection lens facing the other way. Even better would be something the size of an iSight camera that sits on top of a laptop and rotates to face the screen.
Posted by tjor 