Power on a 100 foot descent? No. Power when my brakes are wicked hot after trying to slow down my 215 pounds of rumbling bumbling stupidness down a mountain? Yes. You are right, brakes by and large have plenty of up front power. What they lack is power when they get really hot. This is the big variable that changes rider to rider, location to location. I'm heavier, not scared to try and go fast (which is worst than truly being fast) and can find descents north of 2K vert. While the brakes you just listed are all good, I...