When the PA800 first came out, I bought what was supposed to be the first one in the U.S. The rep hand-delivered it to me.
It was absolutely awful sounding.
I tried everything to make it sound good, but it just wouldn't.
I sold it after a couple of months. About a week after that, Korg released a whole new OS that dramatically changed it, and corrected about everything that was wrong.
Maybe that will happen again. It is always a risk to buy a keyboard that has just been released. We are the beta testers!
DonM