In an interview I read with Craig, he was asked what advice to give to the next person playing Bond. He flipped out slightly, as he has been over people treating the James Bond franchise like anything more than a bunch of movies. He said essentially that each person makes Bond their own and that it was a stupid question.
Roger Moore, for instance, was a silly Bond, a very silly Bond, when a silly Bond was just as good as an elegant Bond or an action Bond.