I really don't want to get in a contest, but the stock brakes on my 79 Capri have worked for 260,000 miles, even though I have replaced all the moving parts at least once.
They seem to work for any normal driving I have ever done, and will ever do, and they are inexpensive and easy to service. (except the *&^%combination valve)
There are as many theories on this as anything else, but, by my calculations, the stock 4 cyl brakes, with a manual conversion, would be lighter and stop me at the end of the track as well as upgraded rotors. And I read that rear discs have less capacity to hold at the line and more drag on the track than old fashioned drums.
Just another viewpoint.
Scary thought, 9 out of 10 other people on the road give much less thought than anyone here to brake performance at all........