People need to realize that this game IS in development. Those guys at IGN have excellent connections and have no reason to lie about something like this. But when the game is officially announced, people are still gonna be like OMG, no one saw this coming!
# of games above 75 on Metacritic (including downloadable):
360: 241 DS: 144
PS3: 152 PSP: 126
Wii: 85