Cognac for mixing? That's the pitch behind the new Courvoisier Exclusif a new version of Courvoisier that is designed to be mixed in a cocktail. It is a blend of six to 12-year-old cognacs. The Exclusif will not dilute when served in a cocktail and recommended cocktails include a new version of the cosmopolitan and a champagne cocktail. The Courvoisier Exclusif sells for around $50. The recent launch party in Atlanta included Usher, shown at right. Clearly a move to help introduce the younger crowd to the world of cognac.