By Lenn Thompson, Executive Editor Though on the oakier — and pricier — end of the Finger Lakes Blaufrankisch spectrum, the Heron Hill Winery 2008 Blaufrankisch ($35) is worthy of a taste when you visit their tasting room with stunning views of Keuka Lake. Not content making a juicy, fruity, peppery wine, the folks at Heron Hill always push the envelope with this grape. At first, the nose seems like it will be dominated by chocolate and smoky oak, but those aromas don't completely obscure those of red cherry, cranberry, black pepper, clove, tarragon and mint. Hefty on the palate,…