Having seen what massed waves of Plasma Torpedoes from a bunch of Plasmahawks does to most ships, I'd like to point out that while still managable in a pak'ma'ra fleet on the grounds that after the torpedo barrage, most pak'ma'ra generally look at you and go "Crap. They're still alive. Now what?", any semblence of game balance goes straight down the toilet once the rest of the League get in on the fun.
Watching Porfatis flights make attack runs on capital ships under Delta V or Kotha escort (from Milani Carriers or Battlewagons) is terrifying. Fighters that move to intercept get jumped by the free fighters and then are promptly shot down by the Porfatis Anti-Fighter Weapons. With CapShip level weaponry necessary to drop the Hull 6 Porfatis, players were typically left with the nasty choice between blasting at the marauding fighters or blazing away at the rest of the League fleet. My gut feeling is that the number of Porfatis you get on their own is alright in a pak'ma'ra fleet, but becomes scary when you field a League fleet to cover their weaknesses.
The Gentle Beings trait at the moment doesn't really hurt the pak'ma'ra that much either. Either way, most of the actions you really want to perform (Concentrate All Firepower, All Power To Engines, All Stop, Close All Blast Doors And Activate Defence Grid) are automatic successes.
Furthermore, the Plasma Torpedo salvoes go from strong to obscene once the Vree and their scouts get in on the act.
Still, it would be nice to see the Thar'not'ak Plasma Cruiser and Resh'kas'u Carrier. Perhaps renamed as a Transport Cruiser and a Fleet Tender to fit in with the pak'ma'ra naming convention.