With the help of Locus Online I found out the winners of Shirley Jackson Awards. This is the first edition and according to The Shirley Jackson Awards website the awards "have been established for outstanding achievement in the literature of psychological suspense, horror, and the dark fantastic."
Here are the 2007 Shirley Jackson Awards winners:
Novel: "Generation Loss" by Elizabeth Hand
Novella: "Vacancy" by Lucius Shepard
Novelette: "The Janus Tree" by Glen Hirshberg
Short Story: "The Monsters of Heaven" by Nathan Ballingrud
Collection: "The Imago Sequence and Other Stories" by Laird Barron
Anthology: "Inferno" edited by Ellen Datlow
Congratulations to all the winners!