Garrett's exposition of Bernstein's method

I am going to look at Garrett's exposition of Bernstein's method, since it seems easier to understand and has a few more references to the literature for background info. It can be found at the following location:

http://www.math.umn.edu/~garrett/m/v/

Then go to

[ Meromorphic continuation of Eisenstein series ][pdf] ... [ updated 02 Apr '01] ... after Bernstein-Selberg. Revised setup and treatment of SL(2,Z). Draft.

about half-way down the page. I will start posting about this as I read it.