A few nice Wii images I found:
Super Paper Mario
Image by Rob Boudon
I just picked up Super Paper Mario and I’m excited to toss it in the Wii and check it out. For what I’ve seen, It looks amazing!. It has a wonderful sense of "retro" style and gameplay.
I should mention that Super Paper Mario is a mix between an RPG and action game. The videos on the internet mostly show the action sequences. If you are looking for the next Super Mario Bros. Game, this is not it.