I've only flown in the A380 once, in economy on Emirates from Dubai to Melbourne. I was expecting great things but was very disappointed.
This is what happened.
1. My seat wouldn't lock in the upright position - making it difficult to balance against it when trying to get up and out of the seat. The crew did nothing about it.
2. My entertainment system control wouldn't work properly, it was very difficult to get any program I wanted.
3. While the cabin crews work like well oiled machines in their other planes, in the A380 they seemed like amateurs. Food was delivered, but drinks to go with the food came when the food was nearly finished, not just after commencement of eating.
4. They only give out lousy 150ml cans of soft drink to soft drink drinkers (vs 300ml bottles of beer to beer drinkers), and I was thirsty after leaving Dubai. I asked for an extra can of soft drink, and never got one.
I complained about this to Emirates.
They gave me 10,000 extra Skyward Miles.
Regards,
Renato