Now to be REALLY honest with you, Frank, I hardly ever worked with midi. I just read about it and read different manuals from different keyboards. It just seems logical(from what I know about midi) that it should work.
About your wanting to be able to change effects from the controller keyboard: I think that this depends on the keyboard also.

I am also considering getting a small computer with Jammer Live, Gigasampler, and a controller keyboard. And, hey, I want exactly what you want. I would also like harmony for the right hand.

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Jick