Pokémon + Nobunaga's Ambition is set to have a Spring 2012 Japanese Release. Japanese history is so awesome! First, there were Giant Enemy Crabs and now there are Pokémon!
Mind = Blown
According to Japan's Corocoro magazine, the latest Pokémon Mystery Dungeon, Pokémon Mystery Dungeon: Magna Gate and The Maze of Infinity will be out on the 3DS this winter in Japan. The Corocoro article calls the game "totally new" and "totally different" from Pokémon games up to now.