Between this and this and my reading of Feynman’s Rainbow today, I must say that my opinion of String Theory isn’t really… :-)
Update: Also (noting it down because I’m too busy/lazy to read the entire thing now): A Slashdot review of Smolin’s book mentioned above.
Another update: A reply by Joe Polchinski
PHD comics on astrophysics, largely the same.
And until I file this away in the proper place (along with Murphy’s laws, etc.), here is Tumbling toast, Murphy’s Law and the fundamental constants (not available), and the misanthropic principle.