1) Improved revive pet is quick cast if your pet dies you get it back as BM
2) Survival just whore agility for expose weakness and lightning reflexes increases all the physical dps massively by giving them 25% of your agility as attack power... which is your a serious raiding hunter can be upwards of 1k i.e. 250 attack power plus you'll crit enough that this is essentially perminant. All melee heavy raids NEED a survival huntard