Serious Client-side Programming is Back: Rich Internet Applications, Web UI, and LZX by Eric Bloch & David Temkin, Laszlo Systems, Inc

Because of the nature of HTML, the UI of Web applications
has suffered. There are now technologies and products
available for building so-called “Rich Internet”
applications that enable Java developers to provide Web
UIs that are on par with or go beyond tradition desktop UIs.
We will demo a few Rich Internet Applications and then go
on to discuss LZX, Laszlo’s XML-based language, that
enables development of Rich Internet Applications using
industry standards, including XML, JavaScript, and XPath.

more info