The Daily Grind: What makes a well-rounded MMO gamer?

If you're playing the same MMO day in and day out, you may be thirsting for something different. Or, maybe you're not. Everyone has their own play styles, their own methods and their own interests in an MMO. Some people are perfectly fine dedicating themselves to one particular game and excelling at it completely. Some people need to have any five games on hand to play at any given time, while others mix the rest of their gaming time with action-packed console titles.

So to this point, we can't help but wonder if the variety makes for a more well-rounded player. Perhaps someone who enjoys console games and MMOs are more likely to support the newer titles that explore fresh gameplay mechanics and business models. That's just an assumption, but we'd like to hear your thoughts on the subject. What makes a well-rounded MMO gamer?