That is a fact! At least Ketron, Roland, Yamaha and Casio don't have them. As a matter of fact they never have, as far as I know.
Don...so let me understand this because this is instrumental in my style of playing. I've only ever known keyboards with "fill buttons." Now manufacturers are still generating fills in some way, but no more actual "fill" buttons to hit (like in the PA1000 I looked at)?