Flyingstig,
Unless you are trying for DEC on the Airbus like many people, go for the 787 FO option! New/advanced fleet, 60 aircraft ordered, mix of shorthaul and longhaul (including North America and Europe) flying. Sure, QR will work you hard on that fleet too (remember, productivity is the priority), but at least you can sleep on your layovers abroad.
By the time your training bond expires, there will be plenty of 787s flying worldwide as potential other contract options if you are too exhausted at QR.