This is a perenial debate with lots of sides. Here' s just some fodder for those of you who are pondering the question: I guess right off the bat I would exclude Java for a browser based application. Why? Unfortunately it requires a so-called JVM which may or may not be present. AJAX on the other hand requires a 'modern' web browser, which I think in this day and age (FireFox) is a pretty safe bet. And Flash requires the Flash runtime, which again, in this day and age, is also a pretty safe bet. ** Exhibit

1** : Check out Zimbra, which, if you

believe the web site is built with AJAX. Very impressive. All I was able to see was the Flash demo (ironic isn't it?) but it's quite nice. Technorati Tags: ajax, flash, Geeky