Personally, I think Snape's for it. We may be allowed a moment of heroic, post-modern anti-heroism where Harry Realises That Snape Is Just Misunderstood and the rest of the world use their remaining IQ points to, I don't know, realise they're all stereotyped and try thinking outside the House box for once.

But then all I really want is for Draco and Harry to realise that they're madly in love with each other, someone to ask Voldemort whether he thinks he'd be more scary if he had a nose, and Ron to overcome the 'angry redhead' cliché. Oh, and somebody to tell the Gryffindors that they're prejudiced bigots. I'm satisfied in simple ways.