I still can't decide whether or not GW is the future of online games, and whether or not that's a good or bad thing.
On the one hand, GW manages to cut all the boring bullshit out (GW has instant teleportation, no downtime, easy quests, etc). But on the other, you lose the feel of a real world that you can just wander around in looking for people to fuck with.
I guess I hope GW is not the wave of the future for MMOs, because 3-6 months from now I don't know if I'll be bored with it or not. And I still like the more traditional MMOs like UO/AC/SB/WOW (even though each of them had their share of bullshit that made me quit). I'm still hoping somebody just makes one of those types of game the way we want it some day (waiting for Darkfall... SB 2?... UO 2?... some day!).
But for right now, GW is a really nice break from the standard MMO. I've played the hell out of it the last week and I'm not even close to bored with it yet. Plus there's no monthly fee that makes you feel obligated to log in 3 months from now or whatever.