Here are some movies to put you in the mood for the campaigns we have in mind.

The City:
Mickey Blue Eyes
The Prophacy
Blade (one, two and three)
Road House
Office Space
Clerks
The Fallen
Lost Boys
Vampire Hunter D
Silence of the Lambs
From Dusk Till Dawn
Buffy the Vampire Slayer
The Crow (any versions)
The Craft
Moulin Rouge
Monty Python's The Meaning of Life
Love Actually
Meet Joe Black
Hackers
Silver Bullet
Donnie Darko
Bleach
Ghost In the Shell
Elfen Lied (Warning, very graphic)
Fast and the Furious
Bedazzled
Resident Evil
xXx (and no, not porn)
Ichi, The Killer (Japanese live action)(Warning, very graphic)
OldBoy (Japanese live action)
Memento Mori (Japanese live action)
Azumanga Daioh
Ranma 1/2
Sin City
Constantine
Street Fighter
Hell Boy
League of Extraordinary Gentlemen
Dexter
Six Feet Under
Forever Knight
CSI (Any versions)
Kindred: The Embraced
Interview with a Vampire
Queen Of The Damned
Ginger Snaps (and derivatives)
American Werewolf in Paris
American Werewolf in London

The Forsaken:
Mad Max: Beyond Thunderdome
A Boy And His Dog
S-cry-ed
Wolf's Rain
Soylent Green
Logan's Run