I'm actually surprised to see this comment so far down on HN. I switched after Dropbox started imposing a device limit. There was a but of a learning curve to

I'm actually surprised to see this comment so far down on HN. I switched after Dropbox started imposing a device limit. There was a but of a learning curve to get it all set up and the quality of the client software can be hit-or-miss. That said, the core functionality (syncing files between devices) has been rock solid.