Another few months of AJAX, and another set of leaps of bounds in the Rich Internet Applications world. It's no wonder that the rise and rise of enterprise RIAs has led to the most buoyant, highest-octane AJAXWorld RIA Conference & Expo yet! Just as you can tell someone by the company they keep, so you can tell a conference by the Keynotes it arranges, and so it is with especial pride that this Fall we secured keynotes by two of the software industry's most accomplished executives - two gentleme