Google Docs however does not automatically sync from your computer does it?
instead of syncing with a computer, everything stays on google docs. there is nothing actually on your pc. instead of storing on your computer, you keep it in the cloud.
the nice thing is that you can have multiple users access adn share things along with editing of the same word doc from multiple locations at the same time and see all changes to teh doc in realtime.
also, use spanning backup with it for 3 dollars a month to back things up.
i had a catastrophic data dump with sugarsync one time and duplicates with carbonite and sugarsync can be a real pita if mulitple people use the system.
docs has fixed all of the problems that i had in the past and as one who keeps every thing, this system gives me the best backup as it lets a third party back up your primary