Yes, i have used dropbox at home and at work as well. The service is very good and it allows me to access, share and store my personal and confidential data on their safer model. To pass an honest feedback about their service, i would like to give High five to them because their service is remarkable and i am willing to continue it for a longer period until and unless it does not become hectic for me to handle!
For a quick reference, i have signed up for their account by following best cloud storage
list which is embedded with a lot of providers which you may choose to cater your need. By the way, Dropbox rocks!