Backup your data today. Right now. No one ever plans their drive failure, it just happens. To everyone. If you have a flaky computer, you move a lot, you only have a laptop that you travel frequently with or your data is irreplaceable you should consider off site storage.
Amazon's Simple Storage Service. $.15/gig
GDrive works for small amounts of data.
If you're really good friends with me, you can ask for an account on my ftp.
2nd only to losing your spouse, losing your data is the worst feeling.