given that i answer so many of these types of questions it is certainly helpful if you search the forums and read up a bit first to get an idea of what sounds like it appeals to you as well as what questions you may need to answer.
http
/www.tomshardware.com/s/ssddx+headset+headphone/
generally...
-open vs closed?
-are you opposed to buying a soundcard or amp?
-what kind of sound profile do you want/like?
-are you a basshead?
-do you have a large head, ears or glasses?
etc.