One thing to keep in mind with hunter's is that your pet's are going to be lagging (unless it's changed so they benefit from quest experience), so you may end up spending time every couple of levels taming a new pet. Not a huge deal but something to think about. On the plus side a relatively close level pet should hold agro off of the hunter's just fine up until you get feign death and then pulling agro isn't really an issues anyways.

On a related note I've just took a pair of elemental shaman up from 34 to 60 with RAF benefits and it went very quickly, the 3x quest experience keeps you on the move and astral recall is simply amazing for cutting down travel time (*cough* the Arathi Highlands Stromguard chain).

-Stav