Flipping

What do you guys think about flipping and how good are you at it?

http://www.emcmonkeys.com/videos.htm

http://www.youtube.com/w/Urban-Ninja...page=1&t=t&f=b

I suck at it and...
http://video.google.com/videoplay?do...094535&q=ninja

I've seen the ninja one a couple times.
I think they are called "Team Ryoku."

They are pretty badass.