http://us.battle.net/d3/en/calculator/witch-doctor#acYdVT!dWY!baZaZZ

Im still at level 16, but i was thinking about doing this later on down the road for PVE aagainst mass mobs.

Obviously my build would change for boss battles. But what do you think?

Main point of this build is for spike damage and get a good amount of mana return so i can sustain my Dire bats.