[tbgvi]

You'll be interested in the JazzMutant Lemur - a touchscreen MIDI controller for live DJ performances. Some well known DJ's like Deadmau5 use it - that's how I first heard about it. Check it out at http://www.jazzmutant.com

A video of it in action is at http://www.youtube.com/watch?v=X_BMnwIbWJw