McKinney + Silver's "Art of the Heist" campaign took top honors at the inaugural MIXX Awards, winning best in show, gold awards for product launch and online integration, and a silver award in the word-of-mouth category, reports AdWeek. Other gold award winners were WPP Group's OgilvyOne's "U.S. Open on Demand" IBM campaign for brand positioning; Omnicom Group's Agency.com's push for Dulux in the rich media category; Interpublic Group's R/GA's work for Yahoo Autos in mobile; and independent shop AKQA's Halo 2 effort in the viral/word-of-mouth area.