Kenneth Pool   New York Magazine Pick   The Collection: Glamorous dresses for the drama queen. After many years as a designer for Vera Wang and Reem Acra, Pool now has his own collection of traditional gowns with thoroughly modern twists and accents—embroidery, beading—that sparkle.   The Gown: Tank A-line gown with crystal embroidery.   The Price: $4,900.   Where to Buy: Gowns range from $3,500 to $6,500 and can be purchased at Saks Fifth Avenue, Bergdorf Goodman, Kleinfeld, and Wedding Salon of Manhasset.