As expected, Palm has announced two new subbrands for its handheld products, the Tungsten and Zire families. Tungsten products will provide solutions for mobile professionals and serious business users, and the Zire handhelds will provide affordable options for consumers. The first handhelds from the Tungsten and Zire product lines will be available this fall. Also today, Palm announced the first product in its Palm Tungsten line, the Tungsten Mobile Information Management Solution, which offers enterprises “a complete and secure wireless email and groupware access solution.”