Double miles promotions from a majority of the Big 6 wouldn't surprise me a bit this fall.
Double status miles? That's another animal entirely. My guess is that the airlines realize they've created a Frankenstein's monster of an elite population these last few boom years, and that they'd be only too happy to see that pool dwindle significantly in the coming year or two.
Of course, I'm sure there's a countervailing view or two out there. So let's have it ...
Mook