How are you getting on with the D500 and D5 ?
I had every intention of getting a D5 then just didn't have the time to justify it, now I'm getting the urge to get one again but the D500 is getting good reviews.
It's just something to accompany my D810 for wildlife and sports mainly but my mate bought a Canon 1DX to go with his 5D III and now uses the 1DX most of the time now so I'm thinking I may be better off sticking the the FF.
Get the D500, seriously. Forget the D5 if you are only wanting a 2nd camera for wildlife/sports.