Hi, about a year ago, Ketron relased an "updated" SD1 version, they added a board that enables to play a stereo piano sample, a few new styles, and some very well made midi files in the hard drive.
I know that Ketron is "cooking" a new flagship, and unlike others, keep it under wraps.....so, wait and see, perhaps at the NAMM show may give us a surprise!!...
Other wise, the new Midjay.....an arranger module with Sample & MP3 playback that also can be sync to a midi, etc...

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mdorantes