All I can say is: WHOOOHOOOOOOOOOOOOOOO!!!

Anyone know if Pokemon Platinum will have any new Pokemon??

Kinda.

Rotom has five new forms.

Sheymin has a new form.

Giratina has a new form.

More info of forms http://www.serebii.net/platinum/forms.shtml

More info of Platinum. http://www.serebii.net/platinum/
Everything about Platinum is on the right side of the screen, under the sections banner.

This ought to be posted at Worldwide Pokémon.