Don MacAskill, CEO and Chief Geek of Smugmug, one very impressive Photo sharing site, has a post on his blog today about Amazon S3. there is a fair amount of info in it, but he says he had to remove some because he though it might be boring! as a geek, this stuff can never be boring! So if your interested, have a look, and leave a comment asking for more info!
[update: fixed link]