The five-story flagship store, in a restored turn-of-the-20th-century landmark building on 5th Avenue, hums with colored neon lights. Although the sometimes outrageous designs and colors of Versace clothes might not be to everyone's taste (or budget), they're never boring. A second five-story store has a steely, modern take; it focuses on higher-end clothes and accessories. Subway: E, V to 5th Ave./53rd St. Other location: 815 Madison Ave., between E. 68th and E. 69th Sts., Upper East Side, PHONE: 212/744-6868; Subway: 6 to 68th St./Hunter College.