Simple to install, simple to use. In the time that I've been using this add-on - only one issue. I have hundreds of backup files in one folder, and I seem to have hit a limit - but otherwise a brilliant bit of work
First of all, to any newbies, once you've set up your S3 account with Amazon, you can enter your credentials by simply entering s3:/// as your URL.
I've used the S3 organizer for quite a while now, and I'd say that s3:// provides similar functionality. However, I prefer S3 Organizer because I like the side-by-side tree structure showing local and S3 directories.