Transformers uses the same health pip system actually. (which btw... play the demo if you haven't... bloody great game surprisingly...)
though there are health packs on the map to refill your lost pips at.
Also, I wonder if it will be...
Light = 3 pips
Med = 4 pips
Heavy = 5 pips
Health+ Ability = +1 pip
Medic Health Buff = +1 pip
so a light with a +health ability
and a medic buff would actually be as tough as an
unbuffed heavy... just wondering
they might be 2 pips between weight classes too, though that seems a bit extreme.... 2-4-6....