I have moved from a Forerunner 955 to the 970. One regression I've noticed is that I can't use the single-field map layout when navigating. On the 955, the field shifts itself up above the next-turn information so it is not hidden. On the 970, that is not happening.
955 not navigating
vs when navigating the field moves up
970 not navigating
vs when navigating the field is not visible
It's not a deal breaker, of course. I am just running the two-field layout Speaking of that, it would be nice to have a data field that is empty, when you have a layout slot to fill, but don't want to actually put anything there. If I had that, two-field with the right one being empty would be virtually identical to what I want.