The winner in Asian Cooking and the winner in Baking are already on my shelves. I think The Essence of Chocolate by John Scharffenberger and Robert Steinberg needs to join them.
In non-cookbook categories, Leite's Culinaria (linked in the sidebar to the left) won the website award.
Winners in the various cookbook categories for best cookbook published in 2006:
# Cookbook of the Year
The Lee Bros. Southern Cookbook
Matt Lee and Ted Lee
# Cookbook Hall of Fame
Moosewood Cookbook
Mollie Katzen
# Asian Cooking
Cradle of Flavor
James Oseland
# Baking and Desserts
Baking: From My Home to Yours
Dorie Greenspan
# Cooking from a Professional Point of View
Grand Livre de Cuisine: Alain Ducasse's Desserts and Pastries
Alain Ducasse and Frederic Robert
# Entertaining and Special Occasions
The Big Book of Outdoor Cooking and Entertaining
Cheryl Alters Jamison and Bill Jamison
# Food of the Americas
The Lee Bros. Southern Cookbook
Matt Lee and Ted Lee
# General
Tasty: Get Great Food on the Table Every Day
Roy Finamore
# Healthy Focus
Whole Grains Every Day, Every Way
Lorna Sass
# International
The Soul of a New Cuisine
Marcus Samuelsson
# Reference
What to Eat
Marion Nestle
# Single Subject
The Essence of Chocolate
John Scharffenberger and Robert Steinberg
# Wine and Spirits
Romancing the Vine
Alan Tardi
# Writing on Food
The Omnivore's Dilemma
Michael Pollan
# Photography
Michael Mina
Photographer: Karl Petzke
For fun, read a live blogging of the event by Ed Levine. Or the scoop from Gawker.