By Lenn Thompson, Editor-in-Chief David Whiting's single-vineyard program at  Red Newt Cellars, where he is winemaker and co-owner, bears watching. Sure, the wines are priced too high for daily drinking — the cab francs, merlot and Gewurztraminers are all around $40. But, these are small-production wines that display nicely the difference that vineyard site can make in finished wines. Maybe they are a bit geeky in that way, but the wine inside is sure to appeal to any wine lover. Still, it's fun to taste the two cab francs or the two Gewurztraminers side-by-side. Really interesting. Busting with black cherries,…