Hehe...no worries dude.
That motor will feel brutal to be honest, but the transmission will be fine to be fair, the B4 transmission is pretty bullet proof. You'll be wanting to turn it down just to control it!
As for setups...well toe and camber is only the beginning...tyres are critical, and suspension setup is a massive part of offroad...so damping (oils and pistons) and spring rates...and then there is all the other geometry that also effects it...camber links, shock mounting positions, roll centre adjustment, anti squat, etc, etc....oh and then there is weight balance too...
It's all part of the fun though!
Couple of useful websites about car setups...
Burnin Rubber Car Setup Guide
Elvo's RC Car candling guide
And poke around this site for team setups...they are probably not totally suited to your driving style at this point, unless you have the thumbs and reactions of Lee Martin or Neil Cragg, but should give you a good starting point!
Enjoy
