Glad to spark some nice creative topic.
How about If you guys want to take it even farder, How about a Industrial hydrolic "Power take of" (they work wonders on field equipment) or even better to go with the times a diesel generator and three independent "Hub motors" for each of the wheels, with out even then need for disc brakes since the motors can act as generators at the time of slowing down..??
My self, coming from the bicycle side, Can not deal with all the Sprung and rotational mass altering the riding characteristics and the suspension performance so maybe something more complex (Yes Vernon, Complex) is require to keep all the shocks and fork happier.
Anyway please keep the ideas and the pictures coming, this is a really great topic on a forum that is far more innovative than most.