Back Up Your Blog
BackupMyBlog is a new service (in public beta) that will automatically back up blogs dailyThe BackupMyBlog client is a PHP script that resides on your blog server. The client responds to requests from the BackupMyBlog backup servers to return information in and about your blog database.
Most hosted blogs won’t be able to use the product – you must be able PHP script on your blog server. If you are hosting your blog yourself, though, you should be using this or otherwise backing up your data.
The product is free during its beta period. No word on pricing after that.