Microsoft has released a new whitepaper that describes the features that are included in Service Pack 2 for Windows SharePoint Services and SharePoint Portal Server 2003.
This white paper describes features that are included in Microsoft® SharePoint® Portal Server 2003 Service Pack 2 (SP2) and Microsoft Windows® SharePoint Services Service Pack 2 (SP2). It also provides best practices and guidance about how you can architect your solutions considering the current and future versions of SharePoint Products and Technologies.
Read more at source: Service Pack 2 for Windows SharePoint Services and SharePoint Portal Server 2003.