Bookmark this URL - the 5 day instructor-led course on Implementing and Administering Windows Small Business Server 2008. This course covers implementing to maintaining SBS 2008, migrating from SBS 2003 to SBS 2008 and adding additional servers to the SBS network and then some. http://www.microsoft.com/learning/en/us/syllabi/6445A.aspx

There will be three-day and a one-day version for Microsoft partners that are already familiar with SBS 2003 and Windows Server 2008, these courses are the accelerated versions and I'll post the URLs as soon as they become available.