The Huffington Post has put together a list of the (supposed) Best Twist Endings In Movies.

Here's the top 10:

--"Psycho",  1960

--"Planet of the Apes",  1968

--"Seven",  1995

--"The Crying Game",  1992

--"The Prestige",  2006

--"The Village",  2004

--"The Departed",  2006

--"The Usual Suspects",  1995

--"The Sixth Sense",  1999

--"Fight Club",  1999

you can see the whole list along with VIDEOS of all the twists . . . here.)