http://blogs.msdn.com/b/publicsector/archive/2007/06/20/writing-code-against-wss-windows-sharepoint-service-3-0.aspxAn interesting 2 part article has just been published by Patrick Tisseghem of U2U, on writing custom code for Widows SharePoint Service 3.0 which is the underlying technology to MOSS 2007. Here's the summary of the article: "Learn the skills you needen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)