Haven’t posted in a while! Too busy working on other things; but I thought I would post this very useful tip.
If you use sync to your Gmail account using IMAP in Mac Mail, you’ve probably noticed the “All mail” folder. It’s basically Goggle’s catch-all archiving system. This folder contains a copy of every eMail you’ve sent or received through Gmail. It’s a great idea, but it can take a long time to sync with Mac Mail, and can eat up harddrive space: I was able to free up about a gigabyte but using Google Labs’ “Advanced Imap Controls.”
Just follow the instructions to activate the controls and un-sync your “All mail” folder. The whole thing takes about 20 seconds, and is well worth it!