All Airbus ?
Don't get your hopes up (or down) to quickly folks.. I highly doubt any or much at all thought has been seriously considered in this regard.
"If" what RR indicates is in fact correct, that decision would have been made by geek sitting in front of their excel spread sheet screaming Cheap, Cheap, Cheap and thus a prince or princess has fallen for the "budget cut monster bonus MO" as usual..
Things change - the Swire MO does not.