UC Documentation Links
Over at the UK UC & RTC blog, hot on the announcement of the RTM of Office Communications Server 2007, they have a great list of documentation for Office Communications Server, Office Communicator client and Office Live Meeting. For brevity I'm not going to repeat it all here, so check it all out here...
https://mucuguk.org/blogs/microsoft_unified_communications_user_group_ap/archive/2007/07/31/165.aspx