Finally I found a good article comparing Ajax with the rest of the equivalent technologies out there. It seems like a good resource to present to the team at Resources. I had mention before that I find web UIs quite rigid and the main alternative I had seen for this in the industry was Flash. However, Flash movies can be big to download, specially if you are on a dial up connection, need the Flash viewver plugin and the skills are rare to obtain. The original article
Why is Ajax getting so much attention
can be found at the Ajax info site. Enjoy!