Great sounds, great keyboard (I was unsure about it till first touch), great quality.
Pros: weight and size!, sliders in organ mode, overall sound quality and quantity, multifunctionality.
Cons:
What I really miss compared to my old K2000 -
1) independent output level (on a PC4 A and B output levels unfortunately go through the same Volume slider);
2) actual Lock of parameters on Global Mix page (f.e. I lock the Pan of channel at 0, but after turning device off/on it shows 64);
3) The Tempo knob, if touched in Song mode while sequencer is playing, resets Pan, Fx, Volume state of tracks. I wish it could affect only tempo with no undesired artefacts.