vA2.....based on why I know so far...
All you need is a light MIDI kbd, a laptop or all in one.
Maybe a Korgcontrol 2 depending of which MIDI KBD you get.
Oh...If you get a Novation SL61 II...Dan's SW will even give feedback to switches/LEDs.
Should be a very light load.
I will know more once my Ketron SD-1000 gets here.
If you have not heard all the SD-1000 demos from Dan...they start here:
https://www.youtube.com/watch?v=iNJyKyR-8v4Just one idea for you.