Open source networked interactive whiteboards?

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If you’ve never seen Johnny Lee’s videos explaining how he uses cheap Wii remotes to do amazing things, check out the TED video, or his home page.

Now after watching that video, I snuck into the ActiveState game room, and poked around with the wiimotes & projector there. I’ll definitely be keeping an eye on the wiimote project.

Now someone needs to hook that project up with some of the open source screen-sharing software, and all kinds of cool things could happen.

Speaking of which — any recommendations for inexpensive projectors (for presentations, not home theater stuff)?