http://wii.kombo.com/article.php?artid=11846
It's being handled by Dimps, who made Sonic Rush and Rush adventure (good thing?)
3d and 3d sidescrolling
hub areas incorporated into story
differnent engine from ps3 and 360, but Dimps is trying to replicate ps360 look
both speed AND platforming
Wii verision has different stage design and controls from ps360
Tomoya Ohtani is doing the sound track (Sonic Rush soundtrack!)
So I guess it's official those screenshots were not of of the Wii version! But this all sounds good so far!
Here's a video from my band's last show Check out more (bigger) videos here http://www.youtube.com/user/icemanout