Just got a Sony a7iii for it's 4k, HDR video, but it's a beast of a camera too. I have had a Nikon D750 for a couple years which I'm also keeping because I have a bunch of Nikon Lenses, but the Sony is now slouch either.
Some shots with the Sony:
Just edited these black and whites I took with the Nikon too:
I really like black and white.