I was always told DXB/AUH were about the limit of what a 77W could do out of DUB without load restrictions, maybe I'm wrong! Could certainly see it working westbound, not so sure it would be as successful eastbound. Maybe only a stop neccessary westbound a la BA in SNN with their A318s? Emirates send 77Ws and A388s direct from DXB to LAX, usually over the pole when solar conditions allow. ADD is similar distance.