Pretty sure this was posted at some point, can't find it on the forums, and thought release day would be a great time to reintroduce it:
http://video.google.com/videoplay?docid=2964751562925463883&q=wii
was better the first time.
It's actually even funnier knowing what has happened in the meantime, now that both have been finally at long last released... :)
Also check out this *other* "Wii vs. PS3" video, this time comparing the lineups for each at E3 (http://video.google.com/videoplay?docid=-3032112009016435066&q=wii) :o