RevPro - Skilled or Nutters?

I’ve been wanting to post this for a while but youtube doesn’t seem to like the file type for some reason. Anyway, resorted to uploading on google video instead. Switch to original or double size for better quality.

http://video.google.co.uk/videoplay?docid=-1817376887681615455&hl=en-GB

I recorded this on holiday in Las Vegas, back in June. These guys were awesome - though wondered what might have happened if they got their bearings wrong…