This week the DVD Savant looks at some great films including:  Chinatown: Special Collector's Edition -  Roman Polanski's neo noir masterpiece looks even better in a new transfer; Killer of Sheep: The Charles Burnett Collection -  This disc set restores Burnett's acclaimed 1977 study of life in Watts, along with another of his features and several short films; Endgame: Blueprint for Global Enslavement - A thoroughly discouraging 'docu' that claims that a conspiracy is taking over the world, and that every disagreeable issue one can think of is related to it; Days of Heaven -  Terrence Malick's most acclaimed film features breathtaking photography by Néstor Almendros;  Battleship Potemkin - Kino gives us a new restoration, recovering many censored scenes and re-synching the film's impressive original score; Pixar Short Films Collection - Volume 1 - Twenty-four years of short films chart the development and rising success of Pixar.Read all this and more in this week's DVD Savant.