Just repeat what you did dave, but after putting back on the bike, do loads of stoppies, and then when the disk is VERY hot, pour cold water on it, then repeat about 10 times!! it wil get very boring doing it, but then the brake will be awsome!!!
Well, should be awsome! :)
Im going to have to do this when my disk wheel arrives and i think my pads MIGHT be contaminated :P