The assortment of things to make the good life even better includes massage chairs, ionic air purifiers, and whatsits such as miniature replicas of classic cars. Subway: A, C, J, M, Z, 1, 2, 4, 5 to Fulton St./Broadway-Nassau. Other locations: 98 Greene St., between Prince and Spring Sts., SoHo, PHONE: 917/237-0221; Subway: R, W to Prince St. 4 W. 57th St., at 5th Ave., Midtown West, PHONE: 212/265-2550; Subway: E, V to 5th Ave./53rd St. 900 Madison Ave., at E. 72nd St., Upper East Side, PHONE: 212/794-4974; Subway: 6 to 68th St./Hunter College.