http://www.kickboxingforfun.org/
This guy is very modest but he was one of the last of bruces students and has refined a new art based on core JKD principals - I will tell you that you can be there 2 months and be badder than you ever were - very, very fast.
Had to plug my old Sifu - but you will get direct instruction and he doesnt train just every one -wish I were still there