Nintendo confirmed that the next generation of Pokemon games will release international (in English) from Spring 2011.
Pokemon mascots for the two games (Black / White) look like the following:
The new version is more 3D looking and as always some more new pokemon will be introduce and a screenshots of the pokemon battle on the video in Japanese below.
This is good news for pokemon fans. Another good reason for me to get a NDS...
More news at http://www.pokemon.com/blackwhite/en/