If you haven't taken a look at the Event Gateway feature in ColdFusion 7 the following will provide you a primer on getting started and a valid use case. Ben Forta outlines the process on his blog in a three part series.
Building an IM Bot Part I
Building an IM Bot Part II
Building an IM Bot Part III
For another view on Ben's configuration you can read Peter Reese's experience with setting up GoogleTalk via the ColdFusion XMPP gateway.
I recently used the Asynchronous CFML gateway to replicate data between two servers in a cluster. Look for more on this topic in the future.
He also compiled it all into an article for
Thanks Simon I forgot about that article. I read it during MAX. That was a great issue for those of you that have not checked it out. There was a good article on Ajax among other things.