If I needed a set of rotors I'd probably go for these, English company that makes these rotors in two
factories, one in England and one iirc in Ohio and are supposed to be top notch. Rather expensive but
would outlast half a dozen of those cheap imported ones.
EBC Brakes are a leading brake company offering brakes, pads, calipers, brake lines, discs & rotors for Automotive, Motorcycle, Mountain Bike & Racing.
ebcbrakes.com