This is an updated version of a good resource !
This paper describes content recovery, site recovery, and disaster recovery strategies for Office SharePoint Server 2007 deployments.
Data protection and recovery for Office SharePoint Server(http://go.microsoft.com/fwlink/?LinkId=102839&clcid=0x409)
You may want to download and print the Office SharePoint Server 2007 Data Protection and Recovery model(http://go.microsoft.com/fwlink/?LinkId=124087) that accompanies this article. It provides a poster-sized summary of the content in this article.