For the past several years, I've been using the Midjay Plus and SD1Plus. I have owned and used Korg and Yamaha instruments in the past, but prefer the Ketron sounds. So, as a Ketron user, I would choose the Korg Pa3X based on this video ...
Jerry,
I have sent you a PM.
There seem to be a lot of home truths this time here in this thread. And this time Diki, who so often spends a plethoria of prhases on any issue hits the nail right on the head.(see his comments here....

regards,
John