According to the latest issue of Shounen Gangan [1], Fullmetal Alchemist mangaka Hiromu Arakawa's Juushin Enbu will be adapted [2] into an anime.
Source: Ultimatum Chat [3]
Links:
[1] http://www.square-enix.co.jp/magazine/powered/new/
[2] http://www.square-enix.co.jp/magazine/powered/next/
[3] http://d.hatena.ne.jp/oroshi/20070621/p3