Stumbled on this over on youtube, the guys are INSANE!!
http://www.youtube.com/watch?v=S9zr9W8Z91k&feature=related
http://www.youtube.com/watch?v=WTeufdhZSak&NR=1
http://www.youtube.com/watch?v=S9zr9W8Z91k&feature=related
http://www.youtube.com/watch?v=WTeufdhZSak&NR=1