Slashdot has a book review of Stephenson's "Anathem" up right now --- there have been 225 comments on it so far today, with lots of opinions on Stephenson in general and recommendations on what to read and what not to read of his.
www.slashdot.com
Tim
P.S.: Believe it or not, I've never read any Stephenson, but I guess I will tackle the "big three" after the first of the year: Snow Crash, Cryptonomicon, and The Diamond Age.