1. Try and be intelligent. Look the part - i.e. smart, corporate. Lose the lip ring and spiky hair for the day.2. Yes. Do you think McKinsey is a charity?3. Read about McKinsey - get to know the firm and some recent work rather than all the hype and gossip about them. Talking about some rather salacious books likening McKinsey to Opus Dei could add flavour to an immanent fuk up.4. These types of event are increasingly popular in consulting with many top firms now doing similar.5. Might be some hot secretaries to bang do you mean? Thought it would be obvious - chance to get to know McK better, get your name/face known, perhaps even find yourself a sponsor to smooth your application.