Download the SugarSync client and let them know which folders that you want always backed up and synced.
Activate via e-mail and you'll have 5GB of online storage for free.
PS: Just for fun, they'll give you an extra 250MB for free after you complete a few easy tasks to help you learn about SugarSync.
They've got apps for most major platforms and devices, enabling you to access your photos, music, and docs on the go!
