If you want dark comedies set in Britain, I'd suggest Snatch.
If you want old black & white movies with important implications about how the justice system should work, I'd suggest the 1950's version of 12 Angry Men.
If you like awesome cult classic horror films, I'd suggest Event Horizon.
If you want to never sleep again, I'd suggest The Descent.
If you want crime dramas that alternate between gritty and hilarious, I'd suggest Pulp Fiction and Reservoir Dogs.
If you want a revenge story, I'd suggest Kill Bill.
If you want to see a film where the most interesting and amazing character is without question the main antagonist, I'd suggest Inglourious Basterds.
If you want anime, I'd suggest Spirited Away.
If you want to be depressed forever, I'd suggest The Road.
If you want to see a gritty crime drama that is just plain cerebral and amazing, I'd suggest No Country For Old Men.
If you want to laugh at zombies, I'd suggest Zombieland.
If you want to laugh at people being killed by zombies, I'd suggest Shaun of the Dead.
If you want to just watch some goddamn zombies, I'd suggest either version of Dawn of the Dead.
There, there has to be something on there you find interesting.