I have all my armor compensation skills trained to level 4 right now but I keep going back and forth as to whether I should train them all to level 5 (about 8 days each). I have some folks telling me it's well worth it, others telling me it's not worth it at all... I'm not sure if I should train them or not.
I currently armor tank and fly a Myrmidon which works well (I haven't found a level 4 I can't tank) but I'm always looking for a better tank and, eventually, I would like to upgrade to either a Proteus or a Damnation.
Good question, looking forward to the answer myself. I’m in the same situation, and not sure if it’s worth the time investment.