Update: Alliance Atlantis on the block, could fetch $2.4 billion

TORONTO – Look for CanWest Global's Australian divestiture to pick up speed. Alliance Atlantis Communications announced Wednesday morning that it is officially on the market, meaning the usual suspects like Corus Entertainment, Astral Media, CanWest Global and maybe Rogers Communications and Quebecor Media will soon be kicking tires and checking service records – if they haven't already. Bell Globemedia is about to start trying to digest CHUM Ltd. and is probably not going to be in the running, especially since it would probably run afoul of competition rules if it tried to grab both CHUM and Alliance Atlantis. With 13...