Megatf is the highest rated 2v2, 3v3, and 5v5 hunter around, and he sports the ever popular 11/41/9 PvP
build.
The 11 points in the BM tree are to get improved revive, improved mend, and 30% run speed increase for pet.
The 41 points in the MM tree can vary a little bit depending on what you want to do. Many go for imporoved stings so they can work on draining people's mana. Others go for more dmg. It will depend on what kind of Arena team you are on.
The 9 points in the SV tree are to get imporoved range, improved humanoid dmg, and improved wing clip.