How about starting a wiki page (here's a good place to start: http://code.djangoproject.com/wiki/AJAX ) as a place to collect everyone's input on requirements, suggestions and examples.
There was some discussion in IRC today that it would be useful to collect examples of how people are already using AJAX (with or without Django) as a starting point for deciding how best to facilitate similar techniques in the framework. If there's a cowpath to be paved, let's find it.
