Actually, I have replaced both my front and rear with EBC units. The rear was replaced because it just wore out (I usually go through one every 18 months), and I bent the front when I crashed and broke my collar bone. Unfortunately, I have never opted for the high dollar units, as I don't think they will make me stop any better. Might last a little longer, but would have to prove it to me before I would shell out any more cash than I have to.
In a nut shell, EBC rotors are cost effective and work just dandy.
Rick