Art in general, mind control, weapons, computers, videogames, exotic electronical devices, weird animals, nature in general.
Apoptygma Berserk, VNV Nation, Agonoize, Amduscia, Hocico / Dulce liquido [Erk, Racso...Sangre mia...], Tamtrum, Chiasm, Unter Null, Nine Inch Nails, Marilyn Manson, FGFC820, Depeche Mode, Rob Zombie, Carcass, Venom
I also like Death in Embrace.
Taxi Driver, Payback, Nightmare series, the masterpieces from the masters, G. A. Romero, Lucio Fulci and Dario Argento, Four Rooms, The addiction, Lost Boys, Skinheads, Full metal jacket, Death Wish, For a fistful of dollars...and many many others...Most of all movies concerning psychopaties and mental diseases...
technical books about photography and computers (including some rarities written in the 60's, at the dawn of information technology ), but I read almost anything that can be readed. Military training manuals, psychology books, various science books...From G. Orwell: "1984", a cult. Comics too. Marvel comics, rarely mangas. Rarely.