I'm sure plenty of you have seen these hanging on peoples walls. They are the pretty little foldout maps from MS that describe stuff. they have them for tons of things and here is a link to the download location for the SQL2005 System Views map.

 http://download.microsoft.com/download/0/d/f/0dfe488e-a335-4480-8a8a-b405e32f4368/SQL2005_Sys_Views.pdf

 

A brief search on the web yielded links to more maps here:

http://www.microsoft.com/downloads/details.aspx?FamilyID=771aeb45-9d27-4d1f-acd1-9b950637d64e&DisplayLang=en

 

I tried to find some more, but.... well it was just way too hard. =P