New on Ragnaros, need some wisdom!

[Ololiuhqui]

Heey, i've not been playing wow for a while, those the Ragnaros server have a balanced pvp? is there any class who is overpowered? I used to be main Warlock, is it good here?

What class do you think beeing the best for arena? Thanks :)

[Belimelolol]

yes
/tenchar

[Tomerz]

anything with smourne