I hesitated to say squat about it because there are several philosophies. Really glad you are looking for a good instructor. Smart choice.
I knew the links were on here ........somewhere!
Rick has a really good list of instructors on here as well and these ideas (Danny's points were really good, too) ---
(scroll down, don't attempt to read the scanned magazine pages)

http://www.fksa.org/showthread.php?t=656

Good luck.