Ok, so I got excited and played for 30 mins on xAJAX

and I think I found a solution extending Joomla is so FUN!.

I have written a solution that I think will allow 3rd party developers of Joomla to add mambots to Joomla to provide xAJAX features to their components. I think this could be huge so I have passed on the code to some other developers for feedback and once I have heard from them I will make further announcements