graphics down a bit? have you seen re5?
anyways, dont count on it. sure all companies want to get money and more of it. but they also want to do the projects they want to do. porting it to the wii will just handicap the amount of things they can do in the game. theyd rather have a great game that comes out on the ps3 and 360 without sacrificing quality, than take time to port it over to the wii.