What I expect from a new generation of wave table synth is giving me the opportunity to do exactly what I can do with Massive plus new serious features. If Massive has a well working Program Change, Massive X should have the same. If Massive X has just 12 sounds instead of 128, it doesn't worth to be bought. Program Change is a professional features letting user save on CPU on live sets, Processors didn't get significantly faster last 10 years. If you are implementing new features beside the old one, be sure they will cause bugs for less than one year and they won't be heavy for nowadays CPU, or you will waste musician's time and work. If Massive X is implementing effects that are inferior to external specialized plugins, it doesn't make any sense: my plugins have program change and I will go on using my routing tricks in the old Massive. If Massive's X GUI revolution is just a Gorilla's pic, it can't compete with competitors' OSC editor. Watch out, you are blowing user's expectation to the limit, and you delayed the release although you pushed the Komplete promotion promising an earlier date. In the marketing perspective you are risking a lot, Massive X could become a dent in your brand. Good luck!