By Lenn Thompson, Editor-in-Chief Even with the release of its 2007 wines, its second vintage, Onabay Vineyards, remains firmly under the radar of most local wine lovers. But they are a winery worth keeping an eye on for a number of reasons. Their vineyard is mature — 18 years old — and is managed by industry veteran Steve Mudd. The wines are made by another local vet, Bruce Schneider, a fellow cabernet franc fanatic and owner of Schneider Vineyards. Beyond Mudd and Schneider, Onabay is a family affair. The Anderson family owns the 180-acre farm that houses the vineyard and…