I seem to be the only one excited for this series... Well, I can't blame you guys, it does have "mahou shoujo" in the title.

Plot Summary:
Quote Originally Posted by AnimeNewsNetwork
Set 10 years after Mahou Shoujo Lyrical Nanoha A`s, Nanoha, Fate, Hayate and the rest of the crew are now working full time in the Time-Space Administration Bureau. Nanoha is a combat instructor, Fate is a special Investigator, and Hayate is a commanding officer. They must unite once again to save the dimensions.
Links:
ANN
AniDB
Official Site

YouTube Trailer