With its all-occasion glassware, artsy knickknacks, and relatively grounded prices, Pottery Barn has become one of the most visible American purveyors of contemporary interior design. Subway: F, V to Broadway-Lafayette St. Other location: 1965 Broadway, at W. 67th St., Upper West Side, PHONE: 212/579-8477; Subway: 1, 9 to 66th St./Lincoln Center.