I listen to any kind of music that sounds pleasant to my ears and doesn't tear my patience apart (radio songs :|). But black/thrash/industrial-metal or (hard-)rock always have a bigger place in my heart.
Basicaly, like I usualy say, I like Rock and it's derivates.
Trance, ew.
Electro, electro house and synthpop are still my favourites. Heard a pretty good electro-house-pop song the other day too, it was like really good electro house with electropop inbetween the hard-electro parts.