Al, Samples are CRITICAl as well as programming all the parms....
So, the same sound engine is only a small piece of the pie.
Kurzweil has used basically the same sound engine for many years and gets SUPER new sounds each time around....using great samples & expeet sound engineers/ programming...

When I check out the PA3...I will be listening very carefully to the sounds.... as the PA2X had MANY bad sample issues.

If they used the same ones...I'm out of there!
(And I told them in Italy about every bad sound/sample 3 years ago...IN DETAIL)
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Lee S.