Inspired by this thread I decided to give MfE a shot at last.

...well, I get all sorts of timeouts etc...I had to wipe the calendar first, and then the show-stopper.

...it kept messing up my contact's work and home emails. I have each contact with Mobile (Home) and Mobile(Work) etc, and it'd do things like turn both mobile numbers into "Work" and "Mobile", but both containing the work number, erasing the home one.

...I then noticed after a few days I had 6-7 of each contact. Had to spend several hours (even with the find duplicates plugin!) merging them all back together. Not cool.

Annoying enough, in fact to make me glance at the open source MfE project with a view to pulling that in as a CSSU replacement...but then I remembered how many things I already have on my TODO list