All great info.
Although I have 2SS, I'm going to put on 6 piston calipers once I'm done with pads/rotors I have.
I knew about the pad size being same as Z06/GS or ATS-V, but rotors for $377 at GMpartsguy.com is great info.
When I'm ready to go with 6 piston, I know where I'm getting rotors from.