Here are a couple of videos I did using Ableton Live and VDMX... I recorded these live and added the titles later.
I built a custom MIDI controller, which i play live to run all sorts of components of both the audio and the video.
Here is a demo of the controller (only talks about the audio)
http://blog.davidfodel.com/node/41
Here are the 2 vids:
http://blog.davidfodel.com/node/44
http://blog.davidfodel.com/node/46