I had issues like this,
i eventually went with a 0/20/51 spec, i have both black arrow and aimed shot along with explosive shot, i dont use arcane because it shares cd with explosive and throws more threat around from what ive seen. My base damage is 1200-1541 but i also have a 33% crit and land about 2.5 to as high as 12k crits with kill shot.
roll is:
Explosive
aimed
black arrow
kill
serpent
volley
concusive (never really use it )
i save black arrow mostly for bosses because of its cool down and wait till about half their health is gone before i apply it, then when kill is avail i use both aimed and black then kill, thats how i hit the 12k crits. =) gears still a work in progress but u dont need t9 epics to do decent damage.
