By DCist contributor Mehan Jayasuriya If you’ve ever watched a sci-fi flick, you’re probably familiar with the theoretical dilemma posed by artificial intelligence — namely the potential that someday, a sentient race of super intelligent toasters will achieve consciousness and violently cast off the shackles of human oppression. Well, Ladytron’s musical trajectory to date has been a bit like the plot from one of those movies. The Liverpool electro-pop outfit debuted with 604 in 2000,…