Let me preface this by pointing out that in the <2 weeks I played in the Open Beta I never got my priest past lvl 14...
When I hit lvl 10 and got my first Resurrection spell I thought it was cool and that I was going to be the most popular character in my group. The group I always play with even told me I was their new best friend.
Now I'm asking myself, what's the big deal? Without a Priest or other character to ressurect you, you have to make a 60 second run back to your corpse. Heck, if they die mid-battle, by the time combat ends and I get the spell cast, they're already most of the way, if not all the way, back to their corpse.
Is there a time later in the game where there is a strong need for Resurrection, like in an instanced dungeon, or is it a fairly useless spell in this game?