Poll: Bloody Great Directorial Debuts

It can be said about some debut movies that they are bloody great but how about taking the words a bit more literally? Let's consider all the famous (and somewhat infamous) directorial debuts with a rating equal to or higher than 7.0 and known for a fair level of bloody or graphic images or a shocking effect that can make up for the lack of gore, in other words, violent movies. Which of these violent directorial debuts is (in a pleasant way) the most disturbing? After voting, you may discuss the list here