The Sci Fi Channel hosts a superb collection of audio productions of the leading science fiction and fantasy authors. Why hasn't anyone told me about this?
The site includes productions of:
Neil Gaiman's "Snow Glass Apples" (starring Bebe Neuwirth)
Octavia Butler's "Kindred" (starring Alfre Woodard, Lyn Whitfield and Ruby Dee)
J. Michael Straczynski's "City of Dreams" (starring Steve Buscemi)
Tales From the Crypt's "By the Fright of the Silvery Moon" (starring John Ritter)
Other productions include the works of H.G. Wells, Robert Olen Butler, Robert Bloch, Lucius Shepard, Connie Willis, James Morrow, Terry Bisson, Lewis Carroll, Franz Kafka, Charles Dickens, Harlan Ellison, Edgar Allan Poe and many more.
Seeing Ear Theatre
Tales From the Crypt
City of Dreams