Harrowing; I have sat on the upper deck many times on the EK AKL-BNE service. Frustrating now that the pulled off the route - supposedly it was to minimise the 'cycles' the A380 was doing. They always had good loads as it left Auckland at a decent hour, and had a decent belly full of freight.
And I used to enjoy the 380 climb out over my place (Beerburrum) or its early arrival in the morning - very distinctive sound.