FWIW, there's an ignore feature on the board. "Ignore this user" on the user's profile page. It's not a terribly good implementation, though.

Bruno's reality distortion field has changed, for me, though, from really irritating, to absolutely hysterical. It helps to guess what his response is going to be before you read it, and see how close you come.

I'm batting about .850 these days, I think.