It's the first thing I'd quit a game for if it was in the [flawed] base mechanics.
PA was an equalizer though... [for one against many].
*Balance does always mean it has to be a fair fight.
I think it's far closer to the original concept though... but I agree that it should by no means be comparable to conventional armor. It should either be immune to small arms, or have a special case armor class bonus against small arms.
*And a vulnerability to anti-synth weaponry. [EMP]