Just a quick note on slam:
As a shaman, using slam from the front, I'd say you aren't going to see much utility, but using it from behind a mob, it should interrupt and connect more often since you aren't going to be getting so many defensive checks behind a mob. Try it out, definitely should see better use.
As for what race, I'd have to say Ogre, love my ogre Warrior, and even with the AA at 70 for warriors, that gives full melee stun immunity, still worth the 70 levels of not having to worry about it. I did buy the Dauntless Perserverance line for my warrior, but mainly for pulling since running backwards sucks when bringing mobs to camp lol.
Goodluck whichever you pick, all are good choices nowadays, depends on your play style, but do have to say if I rolled a shammy, he'd be an Ogre, hard to get used to losing that stun resist from the front
![Wink ;)](./images/smilies/icon_wink.gif)