SA switches instead of a footswitch? And which hand, exactly, is going to be free to use these switches?

This was one of the main complaints with the MotifXS... Too much button pushing to get the SA stuff, not enough of it already programmed into the playing. This sounds like a move in the wrong direction, IMO.

Three of those main features could be added to the T2 with no reason to buy a T3... The piano could be released as a sampler load, and the orchestral styles without drums will probably get ported back to the T2 in a matter of weeks, along with the 100 new rhythms and re-worked styles.

If I had a T2 right now, I don't think I would be holding my bated breath for this one...
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An arranger is just a tool. What matters is what you build with it..!