With the new version of OS X (Leopard) Apple has included some great functionality in Time Machine. Your Mac will automatically backup to an external drive every hour. It includes the ability to recover deleted files in a timeline.
Access your Amazon S3 Storage with an easy, userfriendly and explorer-like Application on all platforms (Windows, Mac OS-X, Linux)!
Create your backups, share files like fotos between different computers or with your friends. s3ganize can manage multiple Amazon S3 Accounts within one way. It lets you create and delete buckets, upload files into buckets, download them and open these files directly on your computer.