After 5 track days in the V I have decided the Stock front calipers just aren't good enough. Amazon was selling the V2 yellow front calipers for $550/pair, i could not pass that deal up.
These things make the V1 calipers seem puny. So far I just purchased the calipers, mounting hardware and EBC yellowstuff pads. I am going to run on the smaller V1 rotors for now. If it causes me issues I will be purchasing the centric co-cast V2 rotors and re-drilling them.