Kotaku is reporting that, while no official announcement has been forthcoming, a new Square Enix Dragon Quest IV teaser site has been launched. It seems that the game is slated for a September 16th release in the US for the DS. In addition to the announcement, the site also seems to be promising Dragon Quest V and VI at undisclosed times in the future.

http://games.slashdot.org/article.pl.../05/21/1441234