well here are some of the bad i hear the most^^
in first place is....Trivium/Rammstein well i have to decide xD
in second place is GMS! (for those who don't know....it' somereally good trance) http://www.youtube.com/watch?v=jXwWrz8c1-c some trance goodness xD btw the intro its extremly long O_o
and in third...well let's see...hmm...i think Emigrate^^(for those who don't know it neither ill put one Link! of one of his songs^^)