We are all so different to each other that the very essence of the matter is not wich one might be better, but simply which one do I like better. I've learnt that the most obvious "bad" sound - to may ear - is "great" to someone else. So, the debate over this is useless, as are even the technical tests to prove one sound or instrument is "cleaner" or "clearer" than other. Frequencies and stuff.

The only thing that matters is what I find suitable for own preferences. And even this is not fixed, because we all like something, then next year we like something else and so on. How could we set what;s "the best" when our own taste and preference change rather dramatically sometimes!?



That being said, I think there are features that will separate some things from others. To me, BK-9 is more appealing (beside the sounds and styles) because it's 76 keybed, physical sliders, audio keys, build quality and weight. I like Pa900 too, for it's touchscreen, VH, DNC and onboard speakers. Yamaha I like for it's styles mainly, but in all other departments, I'd put it third in my preferences.

Of all of these three, right now, BK-9 it's priced best, in this part of the world. That is a factor too. A major one.