I have a Garmin Vector. The "lap page" does not show avg power max power etc. It would be nice to se when tilting the phone.
The Livetrack does not show power, cadence, elevation, heart rate etc. it would be nice to see more data channels on there.
A fit file is not that big, it can't be that hard to get even over GPRS.
The ability to download ALL activities to the phone app for analysis offline.