http://blogs.technet.com/migreene/archive/2007/09/17/1942953.aspxA recent whitepaper linked from the UK Higher Education Blog delves in to this topic and explains the options with detail. This is a very important discussion in my opinion and it encompassed over half of our LabMan 2007 closing keynote presentation lasten-USCommunityServer 2.1 SP1 (Build: 61025.2)