I am also curious. I would also prefer slotted, as it should actually dipel gases that are trapped between the rotor and the pad surface that hinder breaking. This is the true reason for slotted/cross drilled. I have a few woories as both actually decreasse the rotor surface, as the rotor surface is one of the most important pieces in breaking. The larger the swept area the better. SO I guess it a toss up? A few holes or slots to transfer gas, but not too many or we decreasse swept area.
I wonder if Porsche breaks would fit and I could end my confusion!!!
