we have customers that prefer one over the other, We have sold plenty of Each, Floor pans we have seen little to no variation between the two, It really comes down to price and or preference/influence. they both have their own quality issues from time to time, AMD is in the spot light because they are producing rapidly, but in some cases QC is suffering, where goodmark has a low key wait and see approach right now. we do carry both what are you looking for?