Another one here with a 910XT – the main advantage over anything else for me being the barometric altimeter for accurate height/ascent measurements. Shame the altimeter bit doesn’t work as well as my previous Suunto, or even my decade old Etrex Summit – funny stuff with auto-calibration which you can’t turn off, though I’m hoping a firmware upgrade will sort this. Otherwise apart from a few little niggles it’s excellent – very quick to get a fix, generally very accurate.
Oh, and if you want you can program workouts for it with intervals either distance or time – fully custom, ie if you wanted you could have interval 230m, rest 27s, interval 43s, rest 80m…
I was going to say thanks for the Rubitrack suggestion (I have Connect working fine, but it’s missing certain features, and nothing else I’ve tried seems to do all I want either), until I discovered it only works on toy computers.