When I weighed up the pros and cons of trading my D810 for a mirrorless the only entry in the "Do it" column was saving weight, and I wasn't sure if that out-weighed (ouch) the entries in the "Don't Do It" one. However it made me look again. The old hands are getting a bit rheumaticky and I got offered an excellent deal on a trade for a new Z6ii.
It certainly delivered on the weight front and from these shots from its first outing I don't think I'll regret it.
1: John. This is a grab shot of my brother-in-law 2 days after he got home after 6 weeks in hospital. Hand held, natural light from the window, Nikon Z 40-70mm S fully extended, f/4, 1/80s
2: Cara (my nephew's Black Lab). Taken on the same day and well before I was up to speed with the electronics... F series 70-200 mm at 120mm, f/4, ISO 10,000, 1/8000s. I now know how to set it up correctly but that's pretty good IQ for ISO 10,000 with no post noise reduction.