[Plugin: Admin Management Xtended] Changing comment author id

I am looking for a way to change the user ID of the author of a comment from Admin panel. The reason is simple: I am used logged in as admin in my blog, to manage it. However, when I have also an Author account with different data (e-mail, side url, name, avatar). When I reply to comments I have to switch from my admin id to my author id and viceversa or use two different browsers. This is annoyng. Changing the author data (e-mail, side url, name) does not change id, anyway, so that the avatar remain the same. I have to go to phpMyAdmin and use an SQL UPDATE instruction to do that. It would be simpler if I could change the id in the quick edit box of comments…

http://wordpress.org/extend/plugins/admin-management-xtended/