damn good shit

found a great blog stie that has loads of stuff on generative systems in graphic design
even has generative tools for illustrator only in beta testing stage at the mo but you can download the plug in called scriptograph

serialconsign.com generative layout and typography

http://scriptographer.org/
this is where you can download the plugins go onto tutorials for a demo of what the plugins can do

something i did quickly with the tree tool

http://labs.ideeinc.com/multicolr