It seems there will be a new Aa Megami-sama anime coming out next year.
There will be an original anime DVD (OAD) with volumne 42 of the manga,
on sale 2011.02.23.
A scan of the advertisement at the following.

  http://livedoor.2.blogimg.jp/otanews/imgs/1/a/1aa3065d.jpg

--
Hitoshi Doi
                         " this space for rent "
http://www.usagi.org/doi/                                    doi@usagi.org