I was thinking about taking a junker PC - A wii remote, a IR pen, and a projector then trying johnny's method. How unreliable is it exactly? It'd just be a fun little project.
Have you seen those smart boards? My school has a few and their quite good, though I don't know if their multi-touch.
http://www2.smarttech.com/st/en-US/Products/SMART+Boards/default.htm
Have you seen those smart boards? My school has a few and their quite good, though I don't know if their multi-touch.
http://www2.smarttech.com/st/en-US/Products/SMART+Boards/default.htm