For me, now, the D750s I now have are about the perfect camera. They do everything I need — I don’t print big enough to need more than 24MP. I know the F mount is getting a bit dated — but so am I. And there are some fly-by-wire F-mount lenses (the P series).
I have been thinking about getting a MFT ML setup as a take-hiking / take motorcycling rig, but I’m also tempted by some of the larger-sensor non-IL waterproof cameras for that.