And I imagine that most S950 users will only use about that percentage of the audio styles, at least in a pro environment...

That seems like an awful lack of styles to justify an entirely new major feature. Just imagine what else could have been added to the PSR line if the major R&D for this barely useful feature had been tasked to, say, a better Songbook, or better MIDI drum kits, or simply adding a loop capability to the audio Multi-Pads.

TBH, the audio multi-pads would be a groundbreaking feature IF it had the ability to loop. Adding electronica and breakbeat loops to standard drumming is THE sound of today's contemporary music. Yamaha have already made it easy to import .Wav files, opening a vast library of just about any content you can imagine... Scrub-board playing for Zydeco, moody chillout loops for chilldown music, spacy drones for ambient music...

Yamaha have probably unwittingly created the ONE feature that might bring young musicians back to the arranger fold. But doh! They forgot the loop command!

They make a strong case for gun control, as badly as they have shot themselves in the foot!