Oh, and Rom gets some stuff to do in this episode. He starts out knee-deep in shit (literally), he plays dumb and commits some treasonous crimes, and then he gets promoted. It's a good thing too, if the Pah-wraith hadn't possessed Keiko then this whole thing would never have happened, O'Brien would never have worked out that Rom's a genius, Rom wouldn't have come up with the idea of self-replicating mines, and the Dominion would have overwhelmed the Alpha Quadrant. Everyone owes Evil Keiko a debt of gratitude for that.
Aye men to that brother! Which is why DS9 is so awesome; its a series of events like that which give its depth and...