well I just got done from work now I already checked out Kagerou Meikyuu before and all I got to say it's nothing like Haruhi Suzumiya it's a little bit more twisted.just to get a better Idea look at the categories in this page
http://www.mangaupdates.com/series.html?id=46871
so far there are only 8 chapters last update was march 12 of last year.
is there any other manga that caught your eye?I may have checked it out so I could tell you something about it.
before you said you wanted to continue
the world god only knows so you could add that to your list
EDIT
now I can say that i've listed most the of the potential titles that you could like. if you want more titles you may have to give up a few requirements