Group A is ridiculously tough.
Group A:
City of God (Citade e Deus)
The Prestige
El Laberinto del Fauno (Pan's Labyrinth)
District 9
Borat
Little Miss Sunshine
Pirates of the Caribbean: Curse of the Black Pearl
The Bourne Identity
The Bourne Supremacy
Group B:
Up
Donnie Darko
The Incredibles
Spider-Man
The Wrestler
Slumdog Millionaire
The Lord of the Rings: Return of the King
Into the Wild
Amelie
Group C:
Kill Bill Vol. 1
Battle Royale
The Pianist
The Dark Knight
Män som hatar kvinnor (The Girl with the Dragon Tattoo)
(500) Days of Summer
Napoleon Dynamite
Hot Fuzz
About a Boy
Group 
Avatar
Moon
The Curious Case of Benjamin Button
The Butterfly Effect
Hotel Rwanda
Babel
28 Days Later
Gangs of New York
I Am Legend