Presented alphabetically with the exception of #1 which is, in my humble estimation, man's greatest film making achievement.
The Road Warrior
Ace in the Hole (a.k.a. Dark Carnival)
Amadeus
An Angel at My Table
Bastard Out of Carolina
Chuck and Buck
Crumb [documentary]
Ed Wood
Edward Scissorhands
Eternal Sunshine of the Spotless mind
Fargo
Grey Gardens [documentary]
Hearts of Darkness: A Filmmaker's Apocalypse [documentary]
Jude
L.A. Story
Ladies and Gentlemen, The Fabulous Stains
Leaving Las Vegas
Léon (a.k.a. The Professional)
Lost in America
Magnolia
Me & You and Everyone we Know
Modern Romance
Monty Python and the Holy Grail
Nikita (a.k.a. Le Femme Nikita)
One Flew Over the Cuckoo's Nest
Paris, Texas
Planes, Trains and Automobiles
Pulp Fiction
Rabbit-Proof Fence
Rockers
Ruby in Paradise
Seven up (and the five follow-ups; 14 up, 21 up, 28 up, 35 up, 42 up, 49 up) [documentary]
Sweetie
Taxi Driver
Tender Mercies
Tess
The Good, the Bad and the Ugly (thanks for reminding me F.Luke)
The Hotel New Hampshire
The King of Comedy
The Texas Chainsaw Massacre (original)
This Boy's Life
This Is Spinal Tap
Trust
What's Eating Gilbert Grape
So there are 40 or so of my top 10 movies. There are great movies I exclude because I don't feel that they have held up over time...Clockwork Orange, Dr. Stangelove...I just can't watch them anymore, they are not what they once were. There are a few in my list that may not stand the test of time either, but have so far.