Thanks to all for your help and advice imputes on this subject.
Yesterday I purchased the psr9000 new at 1999.00 US with a 30 day return/refund in stock at a local dealer. The best offer for the PRO was 2733 shipped from a Mid US State.
I was able to do a side by side A B C comparison and,
The contributing factor was the keyboard action. I did not want the stiff piano action as I have now been playing mostly keyboards and organs since 1970. I have a hard time playing the piano action for any length of time. I also found with the convenient octave shift button at the right end I don't really need the 76 key and all else is about the same except for the expansion slots I can live without and 16 megs of voices, also no problem.
Thanks to all that helped me on this project.
best to all
Bebop
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BEBOP