I agree with Gary. Poorly written manuals are one of your worst enemies. Although in my many years of owning Technics, I never touched the manuals at all since everything was pretty self-explanatory.
I do need tons of help with the Triton Studio though.
I think they need to put some 'common' people/musicians in the programming team. So not only the keyboard has an awesome programming power, but also it can relate to 'normal' and general audience.
JIMO.