A Couple Weeks Later - A7IV & Z7

A7IV, Tamron 17-28 f2.8

I've had the A7IV for a couple weeks now and put almost 600 shots on it in that time, vs around 800 for the Z7 since I got it 2.5 months ago. The difference in shot count vs time is mostly in being able to get out for one major photo trip after getting the Sony, and I only brought the Sony along for that trip.

Overall, they're both excellent cameras. I generally am preferring the A7IV in actual use for the more flexible control layout, vari-angle LCD and the ability to dedicate a dial to exposure compensation, plus the AF is significantly better. The Z7 however does have a better metering readout for Manual+Auto ISO (As it will tell you on the metering display when it's hit the end of its range for ISO and by how much) and a nicer EVF. Also the Z7 files are still nicer. 

Both are good cameras, both aren't perfect. If I could get the Z7's sensor, EVF, metering readout & Non-cpu lens data system in the A7IV's everything else, I'd be ecstatic. 

In general, if I have to pick just one, I'm usually going to pick the Sony here, it's just better at most of the stuff I care about and more importantly, the system brings me options I simply don't have in Z mount, notably compact bodies and a wider lens selection. But I still do enjoy the Z7 and am planning on keeping it around for now. It's a fun change, the files are nice and I don't have all that much value in Z7 specific stuff that can't also be used via adapter on the A7iv (since all but one of my Z7 lens kit are adapted lenses). 

So overall, my plan to largely dedicate the Z7 to adapted/manual lenses for around town shooting and the A7IV for everyday uses seems to be making a lot of sense. I'm going to continue that way for now.