first..is there a difference in crx si rotors and hf obviously the fronts since the back of hf's dont have rotors...and..are the ebay rotors for like 120 bucks decent etc? or is there a better place to get them from?...i plan on doin crx si rear disc on the car..so if i ordered rotors..do i need hf front si rear..or will they work all the way around..info appreciated..ty