Check out sharetheboard.com - it solves the same problem in a different way (digitizes handwritten content in real time, using just a laptop cam). This allows y

Check out sharetheboard.com - it solves the same problem in a different way (digitizes handwritten content in real time, using just a laptop cam). This allows you to write on a whiteboard or piece of paper which, in my opinion, provides much better/more natural feedback than any touchscreen or stylus.