NI needs to integrate Kontakt library management into KK. Right now it's a mess, having to open files, drag and drop stuff just to get access to the library with key lights. And forget about being able to navigate to a Kontact-oriented library from the S88 dashboard! The only way this seems to integrate is at the DAW level. It's really a shame since KK is otherwise such as good control panel integration point all on its own. I often just want to try out some ideas without setting up tracks in a DAW.
Food for thought.
Otherwise the whole KK, NI, S88 universe is by far the most powerful platform I know. I've owned the Yamaha CLP560 Clav and the DGX660 but they were "locked in" so many ways. NI have freed this all up, and I congratulate you for that move. I demo this to my Yamaha and Roland player buddies and they're blown away!
Keep going. Seamless integration of current and future libraries should be a high priority for NI.