if im running a STR based Tempest, whats the best fili setup on my bow? Im thinking 4xBeast + 4xManticore.... anybody else?

Best DPS?

Probably Deadly Rain x5
2 Pieces: +5 Ranged Power
3 Pieces: +2 Damage
4 Pieces: +3% Chance to Deflect Missiles
5 Pieces: When you use an action boost, gain +20 Ranged power for 20 seconds

Spines of the Manticore
2 Pieces: +2 Damage

The Wreath of Flame
2 Pieces: +5% Fire Absorption

Spines of the Manticore/The Wreath of Flame  +10 Ranged Power
Spines of the Manticore: Ranged Power      +3 Ranged Power      +2 Ranged Power
The Wreath of Flame: Ranged Power      +3 Ranged Power      +2 Ranged Power