I'm hoping someone in the beta can give some insight as to how painful it is/would be to level as disc or holy. The main problem I have with priests right now is I really dislike shadow. I came to MoP very late (about 4 months ago) and found leveling as Disc doable but a bit painful. if leveling as disc is going to be even worst in WoD (I have the impression at the moment that our damage is fairly abysmal outside of shadow) I may have to reconsider my class. My priest has been my main since release so I would really prefer not to change.