John, I think you nailed it. I feel the same about my S970 compared to my Pa4X. The only difference is that I am still performing and prefer my Korg, unless I am in small intimate surroundings where my Yamaha is a refreshing change.

Bernie
_________________________
pa4X 76 ,SX900, Hammond SK1, Ketron SD40,Ketron Event X Centerpoint Space Station, Bose compact