It's with great pleasure that I preempt Tom on this. The new ISA book has been released and is available from all quality booksellers. It can be bought online also, from Amazon at http://www.amazon.com/Shinders-Server-2006-Migration-Guide/dp/1597491993 Dr Tom Shinder's ISA Server 2006 Migration Guide, by Dr Tom Shinder, Adrian F. Dimcev, James Eaton-Lee, Jason Jones, Steve Moffat S :)