Shadow Priests have ridiculous mana problems in both PvP and PvE that needs to be addressed. They're still fantastic in both, but it's a problem that needs to be fixed. Throwing meditation up to 30% wont help a hell of a lot since there is no Shadow Priest gear that is a genuine damage upgrade prior to Hyjal.
A rant I want to get out of my system; Hunters were overbuffed, period. It's not a change that will effect me a lot, but the main problem with Hunters, outside of sheer stupidity like the deadzone that did genuinely need to be fixed, is that 90% of the people who play the class are barely intelligent enough to breathe.
I'm currently in a BT guild and hell, across my three raid guilds, three servers, three years of play I've known ONE great Hunter who was a great Holy Priest, rerolled and did his homework, he's in my current. Fantastic talent and DPS. You have no idea how many apps we get, from our server, from xfers, who are just so, so bad at this game. ALL of them use freaking shot macros too, it's just ridiculous.
Threre is another in our battlegroup/arena bracket at 2200 is that is also excellent and wrecks absolute havoc, but these are the only two I've seen, really, that's it.
I can hop in a EoTS with a friend, find a Hunter in full S2, a bunch of BT/Hyjal gear, have him get on them and they all do the same thing; walk backwards, wait for people to save them so they can get at max range and start pecking away again.
I honestly think Rogues needed the fixes more, oh and the completely nonsensical slap down on the Shaman Elemental spec is real cute.
I have no idea what game the designers are playing some times. On the positive side, the changes might make it possible to zone into an Alliance BG with something less than a full premade and do well, since the last pug I did trying to get honor for my S3 offpieces had 7 Hunters, 6 NE.