The Korg Kronos was my favorite synth until I had the chance to play the Roland Jupiter 50, a true Performance Synthesizer! Wait until you hear the Super Natural sounds from Roland and you will sell your other keyboards immediately. Roland did a great job with this synth and best of all: it has exactly the same sound engine as to the Roland Jupiter 80 and it is also made in Japan...so, the quality is superb and the keys are not the cheap plastic garbage normally present in class B synths made in China. A must have instrument! Reason why I'm selling is b/c I'm moving and won't have room for this 76 keys instrument. I'm not a professional musician and only played this synth a few times in my home studio with controlled humidity and temp. It's still in pristine condition with no scratches, no dents, nothing...it's like a brand new keyboard just out of the box. 100% functional and comes with original box, original manuals and unused CD with software (license is still good b/c I never really installed any software that came with this machine).Thanks!