I love free stuff. https://www.mindsharp.com/Default.aspx?page=Login&destPage=UCPosterRequest You can also get free SharePoint posters, whitepapers, and more.
I wrote up some information on deploying CCR on Windows Server 2008 after doing a full day workshop. After trying to explain how to perform some of the steps, I found it was easier to demo some of the steps, so I used Camtasia to capture them and save them as .avi files. Make a trip to my Mindsharp blog for more info: http://unifiedcommunications.mindsharpblogs.com/RussK/archive/2009/04/03/Exchange-Server-2007-CCR-on-Windows-Server-2008-Failover-Cluster.aspx