Check this out.. pretty cool.
1 GB free online storage. AJAX based interface.
I have been using the GSpace Firefox extension earlier for storing stuff online. But this is much faster than Gmail... i uploaded 25MB of photos in 2 mins!
Sign up using this link.. its free.. and I get a space upgrade for referring people!
Update: i referred 5 friends... and it got upgraded to 5GB! with 20GB of transfer per month.. :)