For thos who don't know, while it's still known as the Haruhi Dance game, it was previously announced that the dancing aspect has most likely been cancelled. And while this game may be delayed, it isn't the only Haruhi game on the horizon, with two other games are in development as you read this.Suzumiya Haruhi no Yuuutsu is an adventure title planned for the Wii, and Haruhi no Chokuretsu is an adventure/puzzle game for the DS.
Haruhi no Gekidou Official Site