A new Atelier game has been announced for the DS, Atelier Rina, or Lina!!
More info can be found on the post at A Reyvetail's Melody:
Go to post>>>Here is a quick update on recent and future releases:
Cross Edge:
Released last May in North America.
Europe release scheduled for the 18th of this month.
An XBox 360 version is scheduled for an October 1, 2009 release in Japan.
Trinity Universe:
An August 2009 release is currently scheduled for Japan.
So far, there is no news as to whether or not it will be released on a console other then the PS3.
Atelier Rorona: Alchemist of Arland:
Released last June in Japan.
Europe release TBA.
A North American release has yet to be announced.
Mana Khemia 2: Fall of Alchemy:
North American version released last August.
I'm not certain of a European release as of yet.
A PSP port is scheduled for release in Japan October 1, 2009.
Atelier Annie: Alchemists of Sera Island:
A North American release is scheduled for October 27.