I just turned t3 and did some pvp as fed science. There were a couple of times a klingon (just 1) used matrix on me, 8sec stun) and nuked 1 side of my shields and then nuked me. Basically I couldnt move, use any abilites. So that means in pvp all ships with stong canons and matrix can nuke 1 enemy in 8 sec. I think that is too overpopwered. It is like an instant kill button. There is absolute no defense against it. Just a matter of time when people realize that and all use it. There will be no more spacefights, it is just who uses matrix first wins, except science vessel and beam weapons user.