Music, movies, TV, reading (never have the time though), National Geographic magazine, Discovery Channel.
You!
Depeche Mode, Anathema, Porcupine Tree, Katatonia, Iron Maiden, Metallica, The Pet Shop Boys, New Order, Bach, The Cure, Sepultura, Death, Morbid Angel, Orphanage, Gorefest, Textures, Pestilence, Porcupine Tree, Blackfield, Tiamat (esp. Wildhoney), the Gathering, Emperor, Nile, Gothenburgmetal, A Perfect Circle, Tool, Slipknot, Slayer, Opeth, Malevolent Creation...And: Moloko, Imogen heap, Sade, Pat Benatar, Timbaland, Him, Coldplay, Scooter, Duran Duran, INXS, U2, Deus, Guano Apes, Samuel Barker, Calexico, Yann Tiersen, Abba and different soundtracks such as Amelie, Hable con ella and A Monster's ball.
Fifth Element, Pulp Fiction, Amelie, too much to mention...
Dan Simmons: Hyperion+sequels (SF), some literature a well.
Drummers: Nick Barker, Ed Warby, Hans Eikenaar, great (metal)drummers in general.