konradh
One other thing: ideally, I would want the touch surface that replaces the console to be a generic device so it could easily be replaced or so software could be switched out. That is my big fear with the Raven: paying $10-20 thousand and then the device breaks or I don't like the software.
I don't see proprietary (expensive) multi-touch devices taking off in a big way.
You can currently get a 27" 20-point multi-touch monitor for under $700. As multi-touch catches on... those prices will come down significantly.
Within a couple of years, I'll bet those prices will be about half.
At that point, I can see multi-touch being a common tool in many studios.
Multi-touch will never be a 1/1 complete replacement for physical knobs/faders... but it's a generic/affordable/flexible option.
Smart phones and tablets (ironically) have paved the way... so the concepts are familiar/comfortable.
I think the challenge is understanding that multi-touch is different from hardware faders/knobs. IOW, Don't put hardware limitations on a virtual controller.
Play to its strengths... (similar to the old debates about GUI design for VSTi/VST plugins)