I was wondering what Adapted Maco offered over standard MACO. I have the MKXII MACO shield from before S7 and MKXI Borg engines and deflector, should I go for the MKXII Borg or Adapted?

Having just completed the New Romulus part of Tier V I have a rather large lump sum of unrefined dilithium to add to the growing backlog of unref. dil. that I've accrued