What's the way to go for 5-man Plague Marine squads? The blight launcher is a no brainer, but I don't know if it's better to go for plasmas or max melee weapons and spewer. I like having them plink and put stuff in contagion because things in contagion tend to die and I want them to stand back chilling in my home obj, but being decked for melee with a spewer also means anybody who wants to flip the objective needs to be able to tank one of the best flamethrowers in the game.