If done right, would it be popular?
Who should make it?
Would you buy it?
I had something like this in mind:

See big picture for details:
http://www.23hq.com/robinkle/photo/15264577/original
Moderators: Sharp, X-Trade, Pepperpotty, karmathanever
If you think about implementing a DX7 programer on the frontpanel yes. Look at the picture, it says something different in my opinion.X-Trade wrote:The thing about FM is that it usually involves a lot of oscillators and that doesn't lend itself to a knobby interface. Also complex routings are a bit difficult to represent in hardware.