RE: fastest
Ofna HYPER 7 is big but wont do 70+
Traxxas 4Tec 3.3 will do 70+ but is not really a racer .
The Schumacher you mentioned is a bad ***** ride , why not get it ?
Kyosho also makes a couple of nice road cars .
The Inferno GT is 1/8 and .28 powered , the FW-05T is 1/10 .15 powered . Havent heard of any top speeds though .