I picked up this combo a couple of weeks ago as an upgrade for my brushed E-Revo and it's working great. Tons of power, wheelies on demand at nearly any speed. I'm running a big set of tires, have the Big Joe IIs with 18/62 gearing. Running hard the motor will get up to 125F and ESC fan will come on (pretty sure it comes on at 150F), but it hasn't shut itself down for being too hot yet. I'm using 4s lifepo (2 2s in series).
Can't beat the price and it's waterproof too. Worth a look if you're looking to go brushless but don't want to pay the $ for the MMM2.
Has anyone else tried this out yet? What did you think?