Black Omega
First Post
It's really how juch work he wants to put into this. You could easily just do a 'martial arts' class and let the bonus feats by guided by the style, while allowing a degree of flexibility.
I don't know if this may be useful to you, but Rich Redman offers a three-part Martial Arts Mayhem material free on the The Game Mechanics web site.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.