Dropbox offers extra 25GB for university people.
https://www.dropbox.com/campuscup
I was running out of space and finally I got more space to backup my photos.
How cheap is is when you 1) make it sound like an ad; 2) forget to mention that this link is probably not interesting for 90% of the people here because they don't qualify; 3) deliberately hide the referral part of your link?