I tamed Snarler and have so far found him the best pet/wolf to have tamed so far. I've also tamed Sian-Rotam at level 60 and he's all up and ready at my level, if not one below.
So far these two pets are the best choices I've ever made for my hunter. For the time being I'll use both Snarler and Sian for questing to get them both up to level 70 with me (I'm only 63 atm). However, Snarler I'd use for BG, Arena, and raid dungeons mostly. Sian will just center around quests (until he's 70) and occasional raid dungeons, as well as raids on Horde towns, hehe. >:)