Last month I tried Sd1, 9000 pro and could listen some owners.
At first sight Sd1 looks like with more sound impact .I think that Ketron made an aggressive effects program, that makes the kb very impressive.
However, for day by day work, I prefer the simplicity of Yamie styles,voices,pads etc.
To operate Yamie have a lot of advantage
For me, SD1 is the best to show styles,voices and samplers for my friends.
9000Pro is the best for everyday work.
I need work with my music everyday :
So,I prefer 9000Pro
Chico