If you're an MSDN subscriber, and you haven't already called Customer Service for your copy of the PDC DVD, stop & do it. The CS rep informed me that my copy with arrive between November 5th and 6th. It's supposed to have all sorts of cool PDC stuff like Longhorn on it.
MSDN USA CS Number is: 800.639.5800. When told to choose one of the five menu options, press 5, enter your subscriber ID number, press #, and finally press 2.