The posts on this weblog are provided “AS IS” with no warranties, and confer no rights. The opinions expressed herein are personal and do not represent those of my employer.
Chris Richard has posted an excellent walk through of navigation in Office SharePoint Server, which is of particular interest to those building "publishing" sites, aka WCM sites. Chris covers the out of the box nav, and then goes into more detail on the Menu control, the PortalSiteMapDataSource and the PortalSiteMapProvider.