Very very tempting... I've been staying clear of the MMO scene since I managed to break away from WoW for the...(counts fingers) 5th time.
The quest system sounds awesome but I recall such promises from the Fable games back in the day so I will remain doubtful until I see it first hand.
I do like the "no tank, no healer, no dps" bit. Hell just the ability to be able to play my character how I want to instead of some random "expert's" online build. Too many games limit you to "well your (insert class) this is what you have to do or you will suck and no one will play with you" gameplay systems. Not fun.
Graphics are nice and whatnot but when the graphics look that nice I start to question the "free to play" sales pitch.
All and all nice. One of my (ex)friends is a guild wars fanatic but I havent been keeping up on it. This is the first time I have seen anything on the actual gameplay.