It will probably end up selling ok this holiday when all is said and done. It will probably have some legs, but i'd say Nintendo is in danger of franchise fatigue so i'd hope they give Mario a rest for a couple of years.

Tbh, i actually want Koizumi and his team work on a new Metroid just to spice things up and have Retro work on a new kick-ass balls to the walls 2D Mario game! XD