Didn't the MZ-2000 have a utility that converted various styles? (I'm not joking).
The other post re the new Korg is suspicious. Eleven people have placed orders for a crate that says Korg on it. Hmmm. I'm way too cautious for that one.
I bought my PSR550 from eBay, but only because the dealer was in Toronto and I picked it up personally (and yea I opened up the box first to make sure it wasn't filled with bricks).
Starkeeper