You know where you can mine the motherlode of hot, lightly-bearded intellectual boys? At the Sunshine Cinema on Houston Street, for every screening of "Into the Wild," Sean Penn's film of the Jon Krakauer book about the boy who ditches society. Seriously, the audience there was like a party where only geekily-stunning, self-effacing, book-loving and yet non-emo 27-year-old boys were invited. Sigh.