Hey Dan,
I would really appreciate if there was a possibility to switch through the available Knob Sets through external MIDI CC or (probably even better) MIDI Note messages.
In a live performance scenario I find it hard to quickly and precisely go to a specific Knob Set with the Knob Set key combo (hold back button, turn the knob). Especially if you have all Knob Sets mapped.
This would also come in handy with the MM button expander, as you could use the buttons to switch to the available knob sets quickly.
Cheers
Jan