After trying Dropbox, Live mesh and Skydrive, I feel that they are good, but dropbox may have advantages in its great function of sync and unlimited single file size.
You may have 2GB free space and up to 100GB if you buy it.
You can register it by the following link
This post has been edited by smax013: 28 May 2010 - 05:35 PM
Reason for edit: Fixed url