Breakfast Topic: An MMO just for you

I'm going to make a guess that since you're here reading this post, World of Warcraft is probably your MMO of choice. But that doesn't mean it's perfect... and I imagine even the games' most stalwart supporters can see room for improvement in places. So for today's topic, I'm asking what you'd put in an MMO designed just for you. What would your perfect MMO have — and does World of Warcraft have it?