Andrew Sullivan isn't some pajama-clad mouth-breather toiling away in his mother's basement. He's an industry veteran who edited The New Republic before the word "blog" even existed.
David, 2003 called - it wants its anti-blogger insults back. Somehow Sarah Lacy has found the world's last person who believes in that stereotype, and allows him to write on her blog. The irony is somewhat tasty.
Incidentally, I signed up for The Dish's paywall immediately. Sullivan's blogging has been an inspiration to me for over a decade.