I just started reading Infinite Crisis.  
This site has some nice notes explaining the many references in each issue.  Whatever happened to footnotes in comics?  In this case, I guess, the footnotes would have gotten quite overwhelming.  Still, it's weird to pick up a book like this and not get maybe half the references, despite having read a number of the prequel stories and having at least some knowledge of the other stories via the web.
Labels: comics