The FBI recently finished a sting operation that spans several countries. I forget how many people have been arrested so far, but it was mainly PC related release groups. As for emulation related sites, I doubt they'll care much unless the community shoots itself in the foot and shares too many current generation titles. If say, microsoft or sony were to feel threatened you can bet they would contribute a couple million dollars to thwart the piracy. I doubt it'll come to that though, at least any time soon.
The leader is never the idiot, rather the people who follow....