http://eu.battle.net/wow/en/game/mis...ure/pet-battle
http://eu.battle.net/wow/en/game/mis...hallenge-modes
Looks like Blizzard have launched these sites without mentioning it, don't know if anyone posted it yet ..... I haven't seen it on the frontpage, so I assume it wasn't.
EDIT: Crap, just noticed I've made a typo in the topic's name