I still get hyped at the Blizzcon shows etc. Its hard not to, when so many of the employees clearly have such passion. Some of them however certainly shouldn't be put in front of an audience - they deffo need a new PR person.
I'm not going to 'fall' for it again and preorder, but I want to be excited.
As for wow-killer, I think what it needs is some strong competition to make Blizz up their game. They have become complacent