AJ,

can you comment on sound difference of AUDYA vs SD9?
I'm not talking about one having more grooves, or more audio guitars, or more styles, or more sounds etc.

I am talking about the overall sound of the keyboard,
The overall "punch" or live sound of both keyboards.

Why is it they sound different?
SD9 to me sounds more artificial, more"canned" like a Korg :-)