I'm not sure if it's posted here, but I do have information on Kyurem's forms as stated on the covers of the new cases of the 3DS
EDIT:
You'll begin in a place called Hiougi City. There is a NEW rival, a NEW researcher named Akuroma,who researches about Pokémon strength, two NEW gym leaders, Homika and Shizui, who will represent the Poison and Water types respectively.
The Unova PokéDex will have approx. 300 entries (with Psyduck as #026, Riolu as #033 and Metagross as #254) so basically, old Pokémon will be back along with the 5th Gen Pokes.
Also this game is set 2 years after the time of Hilbert and Hilda.
It is confirmed that Black Kyurem will learn Freeze Shock and White Kyurem will learn Ice Burn.
And the Eastern portion of the Unova Region will be partially frozen.