For Hunters - Ghost Wolf Pet

My alt is a hunter, so when I saw this article in WoW Insider I got crazy!! I love pets, combat pets, pets-non-combat, anyway, after new patch 2.3 the mobs Grimtotem shamans summon a tamable ghost wolf.
I want it :( But they are hard to tame, the article has some tips how to tame and more informations about it:

Ghost Wolf: The newest, rarest pet

Source: WoW Insider