By Lenn Thompson, Executive Editor For years, Comtesse Therese and its owner-winemaker Theresa Dilworth produced mostly red wines, with a chardonnay made in Russian oak the lone white. In 2009 that changed when Dilworth added sauvignon blanc to the portfolio. That first wine was a bit underwhelming, but the Comtesse Therese 2010 Sauvignon Blanc ($28) is a completely different story and wine. Two-thirds of the fruit that went into this wine was grown at Palmer Vineyards, with the remaining third coming from Dilworth's own vineyard. Only 95 cases were made. Melon rind and citrus — white grapefruit and lemon —…