@BorisKitten,
Thanks BK! I would give them some nip but they have no where to run around like they do when they are on the stuff and Magic is a mean nipper.
I went to PetsMart yesterday and got some Feliway and sprayed it a bit on the cat tower. That seemed to help a little last night but I didn't sleep that great because Sugar kept pawing under the door to try and open it. Yeah, cement floors echo....a lot and I never knew how loud my heater was! heh
Also, instead of letting them out to run around the empty house last night, I kept the door shut of the room we were in. I suppose it was less tramatic as they could not see/smell the evidence of changes going on in the rest of the house.
Tomorrow morning they get moved into a much larger room where the floor is all finished so I'll be able to create some hiding places for the scardy cats.