Peter Navarro lays out three global economic scenarios and their effects on different asset classes. The grid looks a bit like the betting board for roulette, or possibly craps. At any rate, a good tool for helping you decide.
To me, decoupling seems the least likely at this stage; I don't feel the rest of the world has yet built up demand sufficient to be unaffected by the loss of the American consumer. But what do I know.
I'm guessing the first scenario for a while, followed by the third when governments panic.