hobbyking :
http://www.hobbyking.com/hobbyking/s...em_5200Kv/100A
$ 110,-
used it already for a complete season( offroad 2wd/4wd) , good smooth throttle responce.
run with a cs 5.5t and the supplied 6.5.
a lot of time is El Cheapo no good, but this is good!