Here’s an outstanding overview of storing static web assets using Amazon S3 online storage, why you’d want to use it, what it does not do, and a migration guide. Performance at a low price–it’s a combination that’s hard to beat. I’ve been hearing people who are interested in moving away from hosting using service providers such as Go Daddy or Hostgator and towards hosting in the “Cloud” by making use of Amazon’s relatively new service.
Unfortunately it doesn’t appear that at least if you have a WordPress blog you’ll be very well served by making the switch, yet. Go take a look at the article for further details, it’s a great intro to online storage generally and S3 specifically.

