I wasn't very impressed with the large pads... they are very sensitive to being hit in anything but the 'sweet spot' and can give very unreliable (read different velocities) results, IMO.

Sonically, I haven't heard the new Expanded M3 except online, but the original reminded me FAR too much of my Triton...

That new 4-way piano is a keeper, though! Karma2 is cool, but lacks much for the more mature player... I don't do much hiphop and trance!

100 or so more R&B (old school!), Rock and jazz Karma setups would help...

Tough to fault the price, though, at nearly a grand less than a MotifXS6...
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An arranger is just a tool. What matters is what you build with it..!