Hi sifus

- My Rig: iphone 4 , pc
- Type of usage: mostly music
- File format: mp3
- Music genre: mostly pop, like tvxq, boa , snsd , celine dion, adele , muse , mj .
- Budget: less than 200
- Headphone/ earphone type: full headset , close or semi open i dunno the pros n cons , pls advice.
- Other requirements (if any): i m aiming for superlux 660d , wonder is there smth similar in performance n price n more suitable for my music type . And do i need an amp for this price range of headsets ? Previously only owned a koss kcs 75.

Thanks for the help !