From Serebii.net:
-The Mouse Pokémon shown is said to be called Chiramii. It is Normal-type, the Chinchilla Pokémon. It is 0.4m tall, 5.8kg. It's abilities are Cute Charm & Technician. It has a move called Sweep Slap which attacks several times consecutively.
-The pig like Pokémon is called Munna. It is the Dream Eater Pokémon and is Psychic-type. It is 0.6m tall and 23.3kg. It has the abilities Forewarn & Synchronise. It has an attack called Telekinesis which makes the opponent float in the air.
-The strange dual cog Pokémon is called Gear. It is the Gear Pokémon, is a pure Steel-type. It is 0.3m, 21.0kg and has the abilities Plus & Minus. It has a new attach called Gear Saucer which attacks multiple times.
-The bird Pokémon called Mamepato. It is the Baby Pigeon Pokémon. is Normal-Flying type. It is 0.3m and 2.1kg. It has the Super Luck ability or a new ability called Pigeon Heart which seems to prevent its Defense stat from lowering.
-The ape Pokémon called Hihidaruma. It is the Flaming Pokémon, is Fire-type. It is 1.3m and 92.9kg. It has a new ability called Encourage.
-The zebra Pokémon called Shimama. It is the Charged Pokémon, is Electric-type. It is 0.8m and 29.8kg. Its abilities are LightningRod & Motor Drive. It has a new attack called Wild Bolt which hurts both Shimama and the Pokémon.
-The crocodile Pokémon called Meguroko. It is the Desert Crocodile Pokémon, is Ground-type & Dark-type. It is 0.7m and 15.2kg. Its abilities are Intimidate & Earthquake Spiral which raises its attack when the opponent is Knocked Out.
-The new Professor Dr. Araragi has a Chiramii.
-There is a new feature called the C Cog which allows you to play with various connection capabilities. To what end is not known, but there is a screenshot of the player in the Pokémon Centre with various connection stats at the bottom.
-In this game Global Terminal inside of the Pokemon center and it is called "Random Match". It just says that you can play freely with people from all over the country in random match mode. Then says that in spring 2011 that foreign players will join. It then says that you can work together over the internet by uploading your save file for B/W and then play that way.
Open the pictures in a new window for a better view.
Thanks to PokeBeach for the scans.
Edit: It would appear VGC 3.0 doesn't like Japanese characters, so I'll stop trying to add them.
