In the continuing move off local data. The next step was calendar services. iCal was my local calendar service of record and I did sometimes use Google Calendar. While those two could talk to each other (iCal and Google Calendar Integration ), the sticking point was ‘over the air’ syncing for the iPhone.
Well the workaround for that is to use the Microsoft Exchange syncing that is availible from Google and the iPhone
Setting up Google Sync for iPhone. There are a number of warnings about data loss, especially with the Contact details. So at this point I am doing Calendar only, thanks to the hint from Ian Fernando (Sync only calendars ).