Ive just uploaded a video from Peters presentation about the multitouch prototype that he and Dave Kammeyer and Robert Kern have developed over the past few months. It not only showcases what a few brilliant guys can pull off in their spare time, it shows the power of the open source tool stack that they used to get it done (Numpy, Scipy, Kiva, Enable, Chaco, Mayavi, Traits, Pyglet, to name a few).

The full version is here:
There’s a shorter version of a portion of the demo here: