Dropp, your comparison of 1 A380 vs. 1 B777 and 1 A330 is nonsense.. First of all, a flight doesn't cost only on fuel.. what about slots, ATC costs. overflying costs, pilots, ...?
On top of that, and I don't know the configurations of our big birds by heart since I'm nicely spending my days on the minibus, consider passenger experience: If it's true that the A380 only takes about 60 more passengers then a B777-300ER, but they are seated in an area about double the size of a B777, I tend to agree that the pax experience on an A380 must be far superior then on a B777. So it would make sense to use these aircraft on high yield routes.. Now, I'm not a yield manager, but it seems that high yield equals to passengers who want to pay more for the luxury, and it's something completely different then high demand.
Bottomline, I am convinced there is a segment of our operations that would be highly suitable for the A380, and I think the routes it is flying are chosen accurately to get the best financial performance out of it. Actually, I am convinced that on well chosen routes, the A380 will make more money then the B777. However, I do agree that a poorly chosen route for the A380 is financially a disaster... and 90 A380's are a lot of high yield/ high demand routes to be flown.
Basically, as glofish said: what seems to make sense to our little flight ops environment, doesn't always agree when you try to look at the big picture..