Each of these bright stores carries a terrific selection of household items for every imaginable room. The careful coordination of table- and kitchenwares on the ground floor may sway you into buying any number of doodads. Upstairs, couples wander among sets of easy-to-please furniture, consulting each other on leather club chairs and coffee tables. Subway: N, R, W, 4, 5, 6 to 59th St./Lexington Ave. Other location: 611 Broadway, at W. Houston, SoHo, PHONE: 212/308-0011; Subway: F, V to Broadway-Lafayette.