HP iPAQ rw6815 Personal Messenger

Hewlett-Packard used to set the standard for Windows Mobile handhelds, with the remainder of the market trailing in its wake. But that time is long gone, and the company now slugs it out with a small army of competitors. HP's latest device, the <a href="http://h10010.www1.hp.com/wwpc/uk/en/sm/WF05a/21675-21679-21679-21679-297609-12815440.html">iPAQ rw6815 Personal Mobile Messenger</a> is intended to be small in size and big on connectivity. How well does it live up to that billing?