You can add Keldeo to your copy of Pokemon Black/White by visiting GameStop. Information about the distribution can be found here.

D3Publisher finally confirmed the Adventure Time: Hey Ice King! Why’d You Steal Our Garbage?!! Collector’s Edition today. Isn’t that a mouthful?
The special edition will be offered on both the 3DS and DS for $39.95. Included in the package are the following items:
Custom design of the Enchiridion on a premium SteelBook case
Limited edition replica stylus of Finn’s Gold Sword
Exclusive bestiary guide book
Bonus poster map of the Land of Ooo
Full version of Adventure Time: Hey Ice King! Why’d you steal our garbage?!! video game
Source: D3Publisher PR
Harvest Moon is celebrating its 15th anniversary in North America this year. To honor the occasion, Natsume will release a special Anniversary Edition of Harvest Moon: A New Beginning, which includes a twelve inch Harvest Moon cow.
The release will be sold exclusively through the company’s online store. Fans can pre-order the Anniversary Edition starting on September 14. Pre-ordering the special edition or standard release will net you a yak plushie, as shown here.
Harvest Moon: A New Beginning will be available on November 6.
Source: Natsume PR
Tomorrow’s Nintendo Direct appears to be a Japanese-only affair. Nintendo of America has confirmed that it won’t be broadcasting its own pre-recorded video, and Nintendo of Europe hasn’t announced anything on its end either.
So… keep those expectations in check, folks! It will be a smaller affair compared to June’s presentation.