I love good SF. I read a lot of SF books, but I also enjoy SF movies and TV series.
Brilliant SF authors recently are: Iain M Banks, Greg Egan, Charles Stross, Neal Asher, Neal Stephenson, Alistair Reynolds, Peter F Hamilton, Sean Williams, David Brin and Richard Morgan. In previous years I have enjoyed Arthur C Clarke, Isaac Asimov, Greg Bear, William Gibson, Larry Niven, Jerry Purnelle.
SF Movies I have enjoyed, obviously Matrix, Aliens, I am Legend, Star Wars, Solaris, Barbarella, Blade Runner, Fifth Element, Mad Max, Terminator, Serenity.
TV Series I have enjoyed are Battle Star Galactica, Firefly, Dr Who, Star Trek.