Treetoe reached level 60 this weekend - the current level cap in WoW.Joining a guild turned out to be incredibly important in the last few levels. You need folks who can help you through some of the game's better challenges.
Also, it's the only way you can see some of the end-game content. Below, 30 of us are getting ready to battle the devil. You need that many folks just to reach this point and the devil still handed us our pixel shaded asses. Next time, Luciferon!