I just did a quick search in the board and found out that almost nobody talked about Dropbox here before. While most probably heard about it or have it already, it may still be worth a thread. It's a rather easy to use service for file backup and synchronizing. You basically get 2GB (for free - or if you pay, you get more) of internet-space that is automatically synchronized from the internet to your computers. Like this, you have a backup of all files - and say you add or edit a file on your notebook, you have it automatically copied over to your computer.
If you want to know more about it: https://www.dropbox.com/tour
You can obviously sign up on the same page.
I'm actually not using dropbox for anything go-related, but as an obvious idea, you could synchronize all your SGF games between your computers. I mostly use dropbox for having all the files for studying pn my laptop and computer without any need to manually copy new files over or even have both computers running at the same time.
Now, here comes my part:
Dropbox has a referral system. Someone, who has a dropbox account (in this case: me) has a ref-link. If other people (= you) sign up using that link, both you and me will get an additional 250MB space. So, if you'd like, sign up using my (or any of the other ref links people will post
https://www.dropbox.com/referrals/NTEzMTcxNjMzOQ?src=global0