We recently released two MSDN articles that address some key topics in Web Content Management. This guidance is based on real world customer experience.
Special kudos to Avneesh Kaushik (Microsoft Consultant) and Beck Andros (Senior Editor) for putting these articles together!
How to Create a SharePoint Server 2007 Custom Master Page and Page Layouts for a Web Content Management Site
How to Optimize a SharePoint Server 2007 Web Content Management Site for Performance