Might need to limit the number of modules able to be install though. Wouldn't really want someone to have a resistance so high that they are immune to all attacks.
Type specific shielding
Shields that are much cheaper to recharge and have more total shielding, but only block one type of damage.
Thank you for ideas!
Sadly, my coding skill is very limited and I can try to implement only the Targeting Computer.
Btw, there are some "RPG" mods, that do somewhat listed here.