Originally Posted by weero
Well the 763 has really great Y equipment (several channels, in seat screens),
a large E+ section and - on the other hand - a cozy C cabin.
In an E+ or in the exit row seat, one can easily survive the short night hop
IAD-MUC but for the longish MUC-IAD, I'd burn those miles without regret.
I too tend to do return upgrade rather then outbound.