What I will say to Rorcanna, is that it's actually wise to distance yourself from a new game these days, because it's better to be pleasantly surprised, than to be disappointed yet again, if you know what I mean. And that isn't about WoW that I'm talking about.
Seriously, WoW is a blast with friends, but once you've played the game for a while, a change of pace is welcome. Which is why I think every "WoW killer" has been disappointing, because there really wasn't much change at all.
Let's hope GW2 won't "crush" WoW, just give us interested something else to do. There's no rule that says you can't enjoy more than one game at a time.