There is a new book out that appears to be something that is going to be added to my library.  It is called: "Digital Identity" by Phil Windley [Publisher: O’Reilly, ISBN: 0-596-00878-3, $35]:

This book details "identity management architecture" (IMA), a method that provides ample protection while giving good guys access to vital information and systems. IMA is a coherent, enterprise-wide set of standards, policies, certifications and management activities that enable companies like yours to manage digital identity effectively not just as a security check, but as a way to extend services and pinpoint the needs of customers.

GotoMeeting & TechPocasts.com event for November 2005 being planned.