it would be cheaper, and just as good, to buy this esc:
http://www.hobbycity.com/hobbycity/s...idProduct=8993
and one of the KD36 motors, such as this:
http://www.hobbycity.com/hobbycity/s...idProduct=6673
and, of course, the programming card
http://www.hobbycity.com/hobbycity/s...idProduct=9550
Combo is $100...
separate items, meaning you can select the most suitable motor, will cost $75