i know that you will need a lot stronger shocks/springs because of the mechanical advantage the rockers give you.
longer travel is possible because of the mechanical advantage and progressive hardness is also possible if you are a guru at CAD or can get your head around the scientific shape of the rockers.
them pics are real perdy there
E-revo 3.3 conversion, 249kv outrunner, 6s, MMM
the porthole from the noob world an here has been opened!! that's how i got in.