Shakespeare -- Adaptations for celluloid of the works of the greatest playwright of the English language.
Stylish -- These films are particularly visual or contain groundbreaking moviemaking. Rest your eyes beforehand, because they will be getting a workout. Often (but not always) relegates substance to a back seat.
Suspense -- These are the ones that tap into your spine, pump your adrenaline and drag you screaming onto a rickety rollercoaster with no brakes.
Western -- Cinematic renderings of the myth that is frontier America.