We're in synch on Step #1, though I'd hold off on Step #2 until we see how things play out.
I think getting rid of Illegals would rapidly facilitate assimilation of the incoming legal immigrants.
OTH, I may be wrong, and a moratorium might prove to be desirable down the road.
What concerns me is the false "anti-Illegal = anti-immigrant = racist" equation we get smeared with. Harder to fight if we're going for deportation and moratorium in one swoop, and the Illegals are job #1, as far as I'm concerned.