Joshua Eichorn, being the generous soul that he is, is offering in his latest post to answer any Ajax questions his readers might want to know about.
Have you wondered whats the easiest way to submit a form using AJAX, what the status of HTML_AJAX development is, or what is covered in Understanding AJAX?
Well nows your chance.
To get your question(s) in, just submit them as a comment on this post and he'll come back in a few days with the answers.