Gamasutra has an article posted by Michael Walbridge regarding the current state of the community for Warhammer Online and how it reflects the mechanics of the game.  He talks about how WAR is almost exclusively a group based game with little to no solo features, like extensive economic systems.  Check it out:

If you want the real dirt on Warhammer Online , the best reading comes from those who've played. Electronic Arts, Mythic, and the publications covering WAR can discuss features all they want, but that hasn't always kept those investigating satiated, which is why you'll see forums, comment threads, and sometimes published articles directed toward what it's like to play WAR with other people.

To read the full article, click here.  There is also a post in our forums discussing Mr. Walbridge's thoughts.