first of all - hello

dont know much about it except Cung Le! loads on youtube

although my question would be - good for what? sport, fitness, street defence?

http://www.youtube.com/watch?v=4FCDKabF7YQ

http://www.youtube.com/watch?v=WRwWMEGOTh4

http://www.youtube.com/watch?v=DCK_0Tk1XbE