http://8-0.ca/c5 Content managers are typically designed for either users, designers or developers. This leaves the other 2 frustrated & angry. Not C5!
http://8-0.ca/spideroak Dropbox is an awesome way to sync your files across multiple computers and backup those files. But there is another game in town and it is called Spideroak. Take a look at it and sign up for a free 2GB account with the ability to monitor other computers that you are syncing to and use it as a backup location.