so, probably not worth updating. I still use mine every other day and am happy with it.
Only one little thing annoyed me in the last 2 months: twice on some long workouts (5hrs biking) it corrupted the activity header upon saving. Thus, couldn't download the activity nor look at it on the watch - only solution was to "delete all" (and obviously loose those 5hrs).
Anyway, will use it until it breaks and then see what's around (in absence of further development from Globalsat, maybe Fenix2 or Ambit2?)