Square-Enix announced yesterday that they plan to release Final Fantasy 12 in the United States and Canada on October 31st of this year. It is set for a retail price of $49.99.
EB Games and GameStop also have a deal with Square-Enix in which the franchises are set to release "Collectors Edition"s of the games (for a retail price of $59.99). The collectors edition will have artwork, interviews, trailers and more.
Final Fantasy 12 has been delayed many times since it was originally announced, and hopefully this time around Square-Enix will hold true to what they said. More information as it's released.