My Nikon Z fc has now more than 25,000 shutter actuations. I love everything this camera can offer, except the EVF (too laggy and too slow for any fast action shooting). I don't own any S-Line lens but the 28/2.8 SE kit that come with the camera. I mostly use my F-Mount telephoto lenses with this new Z fc and they all work really well via the FTZ adaptor. Oh BTW, I mainly shoot birds and outdoor sport.
It took me a few weeks to get used to the Z autofocus system while trying to photograph BIF. Here are some recent images shot with the Z fc+200-400/4G VR1 combo: