This sytem has been very impressive, so far. I started with the esc down in the chassis, and it was getting much warmer.
Here a little vid, of it doing it's thing. This is basically the kind of driving I was doing for the log.
http://www.youtube.com/watch?v=9hlVG9EeqbY
If you watch nothing else, the 1:00 minute mark is a must see. Truly displays this things power.