By Lenn Thompson, Editor-in-Chief On Saturday, I spent the day visiting four of the Hudson River Region AVA's best wineries. My goal? To pair that tasting trip with my experience judging the Hudson Valley Wine Competition last spring to identify finalists for the New York Cork Report 2009 Wines of the Year tasting, which takes place this coming Saturday. In addition to the 4 winery visits, several other wineries were represented as we opened wines during dinner. Expect several posts in coming weeks about my time in the Hudson Valley, but for now, I'm happy to announce the finalists —…