Just wanted to share,
today I got the first photos made with my "new" Z-20 I got from eBay. Everything looks fine.
I have used Z-1p for about two years and was looking for a second body. Z-20 matches my expectations near perfect. I'll probably use it mostly for BW work.
BR, Margus Pentax Z-1p + Z-20 + Optio 43WR