
Looking for a <A HREF="http://www.entrepreneur.com/article/0,4621,309957,00.html">mobile email client</A>? Entrepreneur takes a look at five products that combine cell phone service, wireless email, instant messaging and Web access. The products are Danger Hiptop, Handspring Treo 300, Palm Tungsten W, Research in Motion (RIM) BlackBerry 5810 and the T-Mobile PocketPC.