hurtboxes

1) Is Chaff worth it on Large ships, or should I just add another Booster? I usually run 6 Boosters (5 Hvy Duty and 1 Thermal, due to Reinforced shields), with 1 HSL (increased cap) and 1 Chaff (increased cap). I figure I can get more overall protection popping chaff vs gimballed ships, than...