Tried a couple more pads.
Ferodo Excels. OK pedal feel, somewhat dusty, reasonably priced. They'll take a little bit of abuse. Rated around 550deg.
Bendix GCT. These are OK for every day driving but garbage anywhere else. Somewhat dusty, overpriced for a daily pad. Temp rated 380deg. God I hate bendix.
Getting Ferodo DS2500s for the fronts and Racebrakes RB74 for the rears on Tuesday with a bit of luck and see how we go next track day.