General Milky
Terrarian
Beserker/Harbinger. And if they're meant to be sidegrades, why aren't they at least equal to the vanilla armors they parallel?
They are? Harbinger offers the highest damage spike in the whole game, berserker armor offers life regen and another good damage spike (that's all-class I think) dread is great for dodging and not getting hit in the first place, and flesh armor is also one of the top choices for survivability.