Computers - hardware, gaming, internet, Fixing them.
Music - (V)etal (especially true, power, stoner, industrial, doom), industrial, electro, dark drum & bass, nerdcore hip-hop.
Books - mostly sci-fi (the harder the better), comic books, mangas, Warhammer fiction.
Movies - sci-fi, animé, martial arts, action, horror, gore/splatter, comedy, b-movies.
TV - selected sci-fi and comedy. And cartoons, lots and lots of cartoons.
Music:
Annihilator, Front Line Assembly, Falconer, Blind Guardian, D-Rok, The Shizit, Ugly Mus-Tard, Black Label Society, Dio, MC Frontalot, Noise Unit, Devin Townsend, Skinny Puppy, Cyberaktif, White Zombie, KMFDM, Down, Pride And Glory, Intermix, Satanic Industries Inc., Iced Earth, Lordi, Black Sabbath & Ozzy, MC Chris, Two, Jackyl, Drain (STH), Synaesthesia, 1000 Homo DJs, Mampi Swift, Ohgr, Lollipop Lust Kill, Andy C, Diamond Head, Fear Factory, Iron Saviour, Aphrodite, Demons & Wizards, Lamb Of God, Motörhead, Ugly Kid Joe, DJ Hype, Punky Brüster, Dillinja, Sterile Noiz Klan, Carcass, Nicky Black Market, Ganja Kru, Pro-Tech, Kyuss, Body Count, Sir Mixalot, Type-O-Negative, Iron Maiden, My Life With The Thrill Kill Kult, Insane Clown Posse, Zyklon, Ministry, Sugar Ray, Dragonforce, Cypress Hill, Nevermore, Samael, John B, Manowar, Led Zeppelin, Aphex Twin, The Chaos Engine, Biohazard, Napalm Death, Harvesters Of Death, Autechre, Electric Wizard, Ice T, Squarepusher, Dog Eat Dog(ma), Morbid Angel, Kilgore (Smudge), Red Snapper, Nailbomb, Alec Empire, Mad Capsule Markets, Halford, Moonspell, Cannibal Corpse, Krokus, Luciferion, Baddd Spellah, Rabbit Junk, Kreator, Raging Speedhorn, Groovemonster, The Doors, Misery Loves Co., Atari Teenage Riot, Finntroll, Human Waste Project, Guns 'n' Roses, Turisas, The Young Gods, Hammerfall, Nebula, Corrosion Of Conformity, Children Of Bodom, Megadeth, Deathboy, Kill II This, Lords Of Acid, Concorde Dawn, Puncture, Beastie Boys, Schoolly D, Chemlab, Weird Al Yankovich, At The Gates, Death Piggy, Entombed, Clutch, Grip Inc, Metallica, Godflesh, Pitchshifter, Pantera, Skindred, Brujeria, Presidents Of The United States Of America, Sepultura, Death Angel, Vehemence, Crowbar, Green Jellö/y, Deicide, Martyr Complex, Wumpscut, Clawfinger, Gravity Kills, Wizard, Bong Ra, Pist.On, Dub War, Revolting Cocks, Machine Head, Sonic Mayhem, Gong, Virii, Slayer, Cathedral, Snake River Conspiracy, Meshuggah, Pissing Razors, David Bowie, Anthrax, Colostomy Grab Bag, Genetic Selection, Cancer, Front 242, Overkill, Tongue Depressor, Rammstein, Goteki, Sneaky Bat Machine, Pigface, Nevermore, Static-X, Celtic Frost, Rhapsody, Meat Beat Manifesto, Goretorture, Death, Snot, Prong, Yngwie J Malmsteen, Busta Rhymes, Gamma Ray, Cylob, Galactic Cowboys, Luca Turilli, Freudstein, Velvet Acid Christ, Tool, Cheech And Chong, Die Krupps, Tenacious D, Soundgarden, Optimus Rhyme, Anal Cunt, Bolt Thrower, Skyclad, Photek, Curve, The Fucking Champs, Damageplan, Sonata Arctica, Vehemence, Pro-Pain, Floodgate, Y2Khai, Apocalyptica, Cancer, Shizuo, Bruce Dickinson, Arkam Assylum, Rahzel, Cubanate, A Perfect Circle, Cradle OF Filth, Danzig, Fight, System Of A Down, Nine Inch Nails, Onyx, Steel Dragon, Wraith, ZZ Top, Ramesses, Sourvein, Black Element, Nevermore, Synbiote
