Music, Playing music, Talking about music, Bicycles, Writing, etc.
YOU!
Overall:
At the moment:
Back to the Future
30 Rock, The Office, The Simpsons (golden era), Futurama, Arrested Development, South Park, and obscene quantities of The History Channel.
J.D. Salinger, Kurt Vonnegut and Douglas Adams in general, Stranger in a Strangeland by Robert Heinlein, A Heartbreaking Work of Staggering Genius by Eggers, The Harry Potter series, and just about any respectable work within the science fiction genre.