you better write letters then to the billionairs over in the US.. I think George Soros has $1.3billion short on the market already placed just the other month, and sold all his banking shares.
Warren buffet also has sold down a lot of his shares too seeming to be betting on the same thing.
US Subprime was only a $800bil hit on a couple million houses in 2007.... Chinas banks leant out $15 Trillion and has 60million unsold homes stood empty