B4maz: I don't think the Sentilons have upgradable firmware..... I want to buy a new ESC anyways because I hate the mechanical brakes. I put the second disc back on and they still fade to nothing after a few stops. There's just too much heat present. I'm thinking HV110 over the MMM, should I ever want to go
FASTER.
TDC57: When, and IF.

So long as the course has no turns, I think it's in the bag.