I hope many of you other developers are getting as much out of blogs as I am.
There are a set of libraries we as the web developer community tend to use for doing AJAX. Google code has a set of common ajax libraries that can be accessed to make them download faster.There is a great blog post of the benefits and considerations. Some additional considerations is to create an API that makes it easy to do things like pull content from a CDN. Another thing I am working on is how to create links to external sites for content in the fashion this is speaking of also. When we figure out a best practice on this we will pass it on. It is likely that this best practice will end up in our next version of SOS when we finally get it out to the public.
(note: I am planning to overhaul my blogging system to make it let me build prettier RIA blog posts in much less time. That might be a couple of months out, but it will be better to read and watch for anyone who follows.)