I stumbled across a link to an English version of the video. The clip isn't as fuzzy as the first time I saw it (though its still tiny). The lighting and animation look quite good in it. Over all, with things like this, I'm not worried about the Wii's graphics horsepower.
http://www.filb.de/?option=news&aktion=komm&ID=397
http://www.filb.de/?option=news&aktion=komm&ID=397