Yup City Of God is an excellent film =)
I guess il name my favourites in case anyone else likes to broaden their films and wants to check them out.
Bio Zombie
Let the Right One In
All About Lily Chou Chou
Lilja 4-Ever (Very depressing though, just warning you)
La Haine
The Machine Girl/Tokyo Gore Police/Vampire Girl Vs Frankenstein Girl
Conduct Zero
Im A Cyborg But Its Ok!
4 Months, 3 Weeks and 2 Days
Happiness of the Katakuris
Ichi The Killer
Tale Of Two Sisters
Nightwatch/Daywatch
13: Game Of Death
Old Boy
Nobody Knows