dude, rearm rate has nothing to do with how swarm weapons work, i tested it, yet they still launch at the same interval.
i think blindfire should be avalible on both a weapon by weapon and ship by ship basis. if both the weapon and the bank it is in are blind fire, then the tracking speed and view cone of both the weapon and bank are added to produce a larger field of view and faster seek time. it would be tricky but would be really cool if it is done. it should have absolutely nothing to do with sexps.
the porpose of fire suppression is to allow weapons to be more powerfull and have faster fire rates, yet perserve game balence. hopefully to reward those with aiming skills (like me).