Instruments do not stand on their own, as any saxophonist with a missing stand will attest.
What sound production software goes well with it?
All this is described in virtual instruments for an alternate keyboard.
Is there a way to interface to any of the existing piano courses?
Interface to other kinds of training i.e reading piano lesons.
Key remapping software
Software to play midi files on screen to demo fingerings & how to play..Better USB connectors.~~
Music notation, packaging for travel, easy gig setup?~~