Sorry if I repeat any that you listed but I just skimmed through your list...
Wristcutters: A Love Story
Little Miss Sunshine
Pan's Labyrinth
This Is England (<3)
Kidulthood
Blow
Once Upon a Time in Mexico
The Haunting in Connecticut
American Psyho
Vacancy (OK, not brill, but it's pretty damn funny)
Dog Soldiers
A Clockwork Orange