My opinion on faster projectile speeds is that isn't a good solution either. All that does is nerf a fighter's ability to dodge gunfire, the major aspect of combat that sets fighters apart from all bigger classes. You want to reduce the time it takes to kill a fighter, not reduce a fighter's chance of survival. Yngen said in the first post, the time it takes to kill a fighter is directly determined by how much damage you're hitting it with, not how easy it is to hit the target.
I still believe the way to do this is to increase firepower on all basic guns. This doesn't include shield killers so it doesn't unbalance the fighter vs capship sheild dynamic, and fighter shields go down fast enough as they are.