For setups, go here:
http://www.petitrc.com/setup/tamiya/...yaTRF201X.html
As far as driving other cars go, I can't help. The 201 is my first car back to 1/10th off road since the 1990's.
The only mode really needed are TRF spring sets for tuning, or you could use other makes; and the 3 degree aluminium suspension mounts for the rear suspension.