Fabulous chocolates (try the champagne truffles) made in Switzerland are flown in weekly for sale in these jewel-box shops, newly decorated each season. Subway: E, V to 5th Ave./53rd St. Other location: 25 E. 61st St., between 5th and Madison Aves., Upper East Side, PHONE: 212/751-8482; Subway: N, R, W, 4, 5, 6 to 59th St./Lexington Ave.