NintendoLife gave it a 9. That is about the only site I trust with most reviews. Just watched the intro video and it is different. It is way better than the intro video for Tri. I downloaded the demo. Didn't even play the demo. I already knew I would want the game and they added enough new content to warrant the purchase and "replay".
edit - Intro video before game launches is different, but the intro when you start game seems to be the same but higher def.