The most interesting thing Nomad is that you claim that your SW2FFB response is very strong.
I for as much I can tell I think the forces on my SW2FFB could be stronger. It is the feeling of the airplane handling I am talking about NOT the guns.
An old trick from the IL2FB days:
If you find the shooting vibration is badly impacting your aiming, press the trigger while your other four fingers are "open" so that the FFB light sensor is not activated thus no FFB
In my IL2FB Bf109 days, I had the machine guns on the trigger of the SW2FFB (light vibration) and the cannon+guns on a button on my X45 throttle in order to shoot with all guns and minimize FFB ruining my aim.
Just my 2cents...