To Gossens :

About the difference of VA and SD1: in the last 10 years i have used only Roland arranger (E70, G1000 and VA7) but after two problems with the Zip drive i am passed to Ketron.
In my opinion the very big difference from VA and SD1 is that Ketron product is more easier to use in live situation.
Moreover Ketron labs listen the feedback from costumer while in Roland is difficult to request enhancement.
Ketron is not GM2 compatible, and i hope that Ketron work at this lack.

Bye