If Charles Dickens were in the wine business today, perhaps he would agree that these are the best of times and the worst of times. The economic downturn, now well into its third year, hangs heavily on consumer confidence. And yet the wine market continues to grow impressively, with the U.S. recently marking its 18th straight year of growth and officially earning the title (albeit largely symbolic) of #1 wine-drinking country in the world. But national trends and stats don't