SharePoint Portal Server Discovery Kit
Microsoft has released some end to end SharePoint Portal Server labs in the form of their SharePoint Portal Server 2003 Discovery Kit. Download these hands on labs to "go beyond learning about a particular component of SharePoint Portal Server 2003 to understanding how to build a divisional portal site solution, how to deploy Web applications that integrate tightly with the portal site environment, how to use SQL Server 2000 Reporting Services to track and analyze portal site usage, and lastly, how to customize the portal site user interface".
-- Matt Ranlett