i am thinking of buying a new headphone around rm700-800 (or less) next year. im using samsung p2 and clip+ and hopefully the headphone can be driven unamped. i also want it to be portable (not so bulky, better if can carry in my backpack) since im a student and i prefer to listen to music anywhere i go. doesn't care much whether its open or closed but better if it is comfortable to be worn for long hours.

i listen to all kind of music, but prefers rock and heavy metal.

any suggestions?

denon d2000 vs ad900 ?

which of them is more comfortable for long hours usage (probably 2 hours and above) ??? im going to use it for

music (mostly) :
- especially for female singers like alicia keys, avril lavigne, colbie caillat and taylor swift
- dancepop too like lady gaga, cascada, armin van buuren etc.

movies, and long hour gaming (eg : dragon age origins)

btw im using essence stx as my main rig. sources of music is mostly ori cds and flac