I was curious to understand Kerberos on a much deeper level so I decided to gather some resources in order to learn what was really going on under the hood:
Kerberos Wikipedia.org
http://en.wikipedia.org/wiki/Kerberos_%28protocol%29
Kerberos Explained (Windows Server 2000)
http://www.microsoft.com/technet/prodtechnol/windows2000serv/maintain/security/kerberos.mspx
Introduction to Kerberos Webcast (Windows Server 2000)
http://support.microsoft.com/default.aspx?scid=kb;en-us;822248
Kerberos Auth in Windows Server 2003
http://www.microsoft.com/windowsserver2003/technologies/security/kerberos/default.mspx
Kerberos Network Authentication Service (V5)
http://www.ietf.org/rfc/rfc4120.txt