Lots of great info on this site:
CZ Forum - Index
I have the CZ 75 Compact PCR. Very similar to the PO1 but without the rail. Compared to their full size CZ handguns, they are compact, and I carry mine OWB. Their RAZI and 380 models are considered subcompact for their line.
Very accurate and reliable and fits my hand great. I now have about 750 rounds through it and haven't had any issues at all.
High Noon makes some very good holsters for CZ handguns.
Best of luck!