Instapundit on good looks and professors

Hmm, is there a trend this morning in the blogosphere? I clicked over to Instapundit and find a post on the same topic Postrel is blogging about. Excerpt:
Everything's show business, these days.

I've heard female colleagues ascribe comments on their dress in student evaluations to sexism -- but I get those comments all the time, and I remember noticing all sorts of trivial things about my professors. They're right in front of you, day after day, after all.