Certainly, the Pc21 seems to be the better aircraft, but the T6 is cheaper. There may be other factors in play also, like the 'on base' or 'off base' solution which might have a bearing on which type gets the nod. It seems the rich Middle Eastern countries (Qatar, UAE, Saudi) gave gone with the PC21 and the Western countries (US, Canada, Mexico, Nz) have gone with the Texan. I really have no idea which system will be adopted, but it has to be better than the antiquated system we have now. Our trainers have lagged well behind the operational types.