User blog comment:SilencedSkies/Body Armor: A Comparison./@comment-4721065-20130211093014

Erm, if the Aquila is powered by the nuclear battery fitted INSIDE the suit, the radiation protection HAS to be immense, as not only can the Space Marines live for milennia without any damage from radiation, but they can fight alongside the Imperial Guard without the latter suffering any consequences from nuclear battery, meaning that the protection is absolute.

Then, the Space Marines can easily wield many two-handed weapons like Force Halberds, Heavy Bolters, Plasma Cannons, etc. with greater accuracy than regular human beings, making that a non-issue.

Finally, your armour protection analysis completely disregards the actual armour strength: when that is factored in, Acquila is a clear winner, completely protecting its bearer from bolter fire (i.e. a burst of rocket-propelled grenades which would completey pulp a regular human being) on 3+ roll, meaning that only the joints, etc, are vulnerable to that. In contrast, Nanosuit wearer dies from 1-2 regular thrown grenades and N7 is similar (although the grenades are obviously more advanced).

All in all, your analysis seems strongly biased against Acquila and towards much weaker armours.