I've been kicking around the idea of an electric car with no drivetrain, using small motors mounted in each hub. No gears to eat, no driveshafts to break, etc.
The idea hit me when the losi micros hit the market, and was wishing my mini t was 4wd. My mini t is old now, but I still entertain the idea. Maybe brushed would be the way to start, using mini z size motors. Wind my own armatures, and use neo mags and higher end brushes. Need a lot of torque