There are few $8 Sauvignons as fine as Colombette's 1993 Sauvignon Blanc Vin de Pays-Coteaux du Libron. It reveals a textbook herb, melony, and fruit-scented nose, ripe, tasty, medium-bodied flavors, excellent purity, and a dry, lively finish. Drink it over the next year for its fragrance and charm. Looking for outstanding wine bargains? This excellent 48-acre estate near the city of Bezier in the Languedoc-Roussillon region is turning out terrific wines at bargain-basement prices.Importer: a Daniel Johnnes Selection, Jeroboam Imports, New York, NY; tel. (212) 374-9415.