Apple Thoughts: Another Option for 5GB of Free Online Storage

"Dropbox is dead simple for syncing files across your computers, but doesn't offer much in the way of customization or advanced features."

Signup couldn't be easier, and it gives you some flexibility and customization about what you want to sync from your computer. You can also keep files in sync across various devices. Free storage is always a good thing and they also offer reasonable storage rates should you need more than 5GB. But remember that you should also keep a stored copy that you can access in case the online version gets lost. Stranger things have happened. You can check it out here.