Cory Doctorow's "Little Brother" has been awarded the Prometheus Award for the best science fiction novel of 2008 by the Libertarian Futurist Society. J.R.R. Tolkien's "The Lord of the Rings" trilogy picked up the Prometheus Hall of Fame Award. Full announcement here.
The other finalists also are good books and deserve to be listed here: "Matter" by Iain M. Banks, "The January Dancer" by MIchael Flynn, "Saturn's Children" by Charles Stross, "Opening Atlantis" by Harry Turtledove and "Half a Crown" by Jo Walton. (Cross posted at Libertarian News Network.