There are already going to be *wayshrines (not sure of exact name) for PvE and for PvP, they have stated that. Once found you can travel to them, one to another.
It was also said that in PvP you will be able to "disrupt" the enemies by taking a *wayshrine, keeping them from fast traveling. THAT is going to make for some serious strategic battles.
As far as dungeons and raids, I'm indifferent. If it's an Endgame raid for example, and you are doing it 3+ nights a week... kind of hope we can get there quickly. Waiting for people to log on for raid night and then waiting for anyone who is late to drag their butts to the entrance can get old.
I agree that it can ruin some small things, but not nearly as much as spending 20-30 minutes trekking across low level content you have already done several times to get to where you want to adventure. I think the world is going to be big enough that you will get your fill of exploring.
