Novel: The Yiddish Policemen's Union by Michael Chabon
Novella: "Fountain of Age" by Nancy Kress
Novelette: "The Merchant and the Alchemist's Gate" by Ted Chiang
Short Story: "Always" by Karen Joy Fowler
Script: Pan's Labyrinth by Guillermo del Toro
Also:
Andre Norton Award for Young Adult Science Fiction and Fantasy:
Harry Potter and the Deathly Hallows by J. K. Rowling
Damon Knight Grand Master for 2008 is Michael Moorcock
Melisa Michaels and Graham P. Collins received the SFWA Service Award.
Ardath Mayhar the 2008 Author Emeritus.