For example, art in all possible forms (at the moment, especially music), abandoned buildings, certain people.
Someone who would be interested in a musical collaboration.
Anathema, Tom Waits, Editors, Sepultura, Beck (Sea Change is very beautiful), Bloodbath, Sigur Rós, Placebo, Akira Yamaoka, VNV Nation, Bass Communion, Interpol, Ulver, My Dying Bride, Porcupine Tree, Velvet Acid Christ, Tom McRae, The Smashing Pumpkins, Blackfield, Opeth, The Smiths, Katatonia, Mew, Nick Cave & The Bad Seeds, Múm, Babylon Zoo, Scooter ('Wicked!' is a great album), Manic Street Preachers, Jeff Buckley, Radiohead (Hail To the Thief was quite mediocre, though), Avain, The Streets, Morrissey, ...to be continued.
Worth mentioning are at least American Beauty, Fight Club, Magnolia and Donnie Darko, and about 90% of the movies featuring Leonardo DiCaprio. My favourite actors are Leonardo DiCaprio, Brad Pitt, Johnny Depp, Kevin Spacey and Jack Nicholson, in that order.
My TV is usually always on, but I don't actually watch it much. My favourite TV shows are 'OZ', 'Freaks And Geeks', 'Lost', 'Six Feet Under' and 'Dexter'.
Lately I've been reading 'American Psycho' by Bret Easton Ellis for the third time, and Milton's 'Paradise Lost'.
John "Scatman" Larkin, Bill Hicks, Vincent & Danny Cavanagh, Brian Molko, Akira Yamaoka, Steven Wilson.