That is the question vexing international analysts this week. On the one hand, as Foster's has formally committed to spinning off its wine business, leaving the Carlton & United Breweries division (Fosters) ripe for an acquisition, SABMiller would be the natural suitor. On the other hand, CUB operates in a mature or declining market and perhaps SABMiller isn't keen to put up capital for a soft business. Plus you've got Asahi and Coca-Cola Amatil waiting in the wings