First of all, Weezy, others are right: this game is extremely addictive. However, I've personally been addicted to 3-4 different games (I played TFC and Starcraft back in the day just as obsessively), so removing WoW didn't help me much.
As others have noted, Troll isn't the best option for PvP as a priest, although it isn't laughably bad either, and is good for PvE.
If you absolutely want the best combination possible, roll Undead, if you can stand the way it looks and feels. It is indisputably the best PvP priest Horde side.
But I would say that if you plan on playing quite a bit, don't roll Undead unelss you're really comfortable with it. It sounds superficial to my ears, but it just lessens the fun when you think the character you're looking at all day long is ugly. I personally greatly prefer the way Undead look, so that wouldn't be a personal problem for me.
Also, I'm on Korgath, PvP, US. You're welcome to join me, but I will caution that there is 0 chance I can get you into my guild and that the server is particularly "hardcore," with absurd people who take the game way too seriously (which, despite my days played, I do not).
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