I have the canon gl1 and use it to film skiing and its worth the money for sure.
if you're looking just to do web clips or just filming for fun with you and your buddies, a gl1 isnt necessary, go cheaper, but if you wanna make a movie, a gl1 for sure is your best bet along with a vx2000. if you're really serious, get an xl1, those are not as portable, and 2000$ more expensive