I'v noticed that the latest version of DS9 FX has peregurine fighters! Excellent! I'v noticed also if you turn the phaser intensity up to 100 %, the pulse cannons turn into little torpedoes. I stuck a squadron of 3 Peragurine fighters against 6 excelsiors. 1 Fighter was lost but anyway. I turned my engines and weapons up, flew really close inside his shield peremiter and took out each excelsior's sensor array. As they fly blind, and if your lucky like i was, they hit eachother at full impulse, destroying eachother. But if one remains, leave ur pulse cannon on ur fighter at 100 % and fire with their shields down and watch that little pulse blast blow holes the size of the deflector dish in the saucer sections.
Downside: When the ship blows up, u ger damaged or you go up with it.
God bless the Peragurine fighters! DS9 FX rules!