Something in my opinion very interesting is going on at Aerialis Kites now: A development of a 3D mod to make a ordinary Hadzicki/Rev-like quad line kite into a more trick oriented quad by simple means. You can follow this (to this point) rapid prototyping and tests step by step as it is happening!
Here is the link to the first post of this series, only six days ago:
http://kites.aerialis.com/adding-3d-to- ... ined-kite/B.t.w., the link to Aerialis is nowadays:
http://kites.aerialis.com/