Napa-based JaM Cellars is adding two new wines to its Butter brand, a Sauvignon Blanc and Pinot Noir, both California appellated. Retailing in the below-$20 segment, the Butter range ($17 a 750-ml.) also includes Chardonnay, ButterCans, Butter Bubbles, and Butter Cab. The new wines are available nationwide. For more information, visit Jamcellars.com.