Capships, increasingly slower fighters? Or strategic weapons?

[Armageddon]

The way i see it gunboats should be able to do most jobs to a basic degree. They are the mainstay capital of any fleet, and so they must be able to act against all threats. Although as it does all jobs equally well, it should not be as good at each job as the actual specialized craft higher up the chain.

I see it as

Gunboats - Jack of all trades depending on weapon loadout they can do most jobs.
BattleCruiser - Anti Fighter craft, lacks the capability to do much damage to other caps (excluding gunboats of course)
Cruiser - Anti-Capital craft. Lacks any antifighter weaponry, turrets are extremely slow to turn to stop them from tracking fighters but do a lot of damage to capital craft especially with the heavy forward gun.
Battleship - Has heavy salvo guns for long range barrage (7-8k distance) These drain a severe amount of energy and are extremely slow turning 1minute to turn a full 360 degrees as a turret. Battleships also have the ability to use point defence guns (Not as good as BC anti fighter weapons but good enough to cause some damage). Also uses a flak screen (knocks the fighter/bomber off course. Extremely limited damage).