God Bless You! I bought SE215's. great great buy, awesome isolation, awesome clarity  

I listen everything across the board. Hip Hop and Rock are my two main genres. I travel in the subway a lot so ya, isolation matters, At 70-80 % of full volume S4's used to block almost all external noise. Pretty fine, but I definitely want to try something better .  

I use my Lumia 920 for listening music. I guess it does a pretty decent job, it is not as loud as an iPhone however, so, some headphones with a higher output would be awesome.

$100-$200.

Ok, I am no audiophile but I certainly do like my music experience to be pleasant. Could you guys suggest me some headphones, something that is a step forward from the image s4's.