This following information is supposedly from an inside source.

– ten to eleven Nintendo published retail games to be shown for Wii U at E3 as well as some 3rd party games.
– around 70 Wii U games are currently in development from a variety of publishers
– Nintendo will be publishing/releasing four Wii U games of their own before the end of 2012
– Nintendo is considering pricing Wii U lower than they want to
– big wave of 3DS and Wii U software this holiday season
– Nintendo has at least three new franchises in development for the Wii U, coming from various studios