The following is a list of items that I have (so far) used in writing the book on dynamic management views. There are such a lot of great material out there on the subject, I want to share as many of the sources as I possibly could.
Not by any means complete (and it will never be in any real order), and I have a bit more to do with adding the name of the writer, but here for people who come here from my Devlink session or any other reason.
1. Books Online
7. How can SQL Server 2005 help me evaluate and manage indexes?
38. What are the different cached objects in the plan cache?
51. 2.0 Diagnosing Plan Cache Related Performance Problems and Suggested Solutions