America might be Halo and Civ obsessed now, but there's a brand new Pokémon out in Japan. It's already been beaten, the ending uploaded for all to see. That's the last clip here. Earlier, less spoilery-y gameplay in the others.
Do you not want major spoilers? Then check out this YouTube user's capture of the game's first gym battle. The graphics are indeed snazzier!
Pokémon Black and White Gym Battle #1
And here's a little more gameplay - more spoiler-y - from later in the Black & White
And - biggest spoiler! - here is the Pokémon Black and White ending: