<A target="_blank" href="http://www.eknori.de/2010-09-21/admincamp-sametime-8-5-1-session-slides/">Ulrich Krause has posted his slides from a presentation at AdminCamp 2010 in Gelsenkirchen, Germany</A>. The slides are in German though there are enough diagrams and English phrases to make them useful even if you don't know German.