thanks everyone for all your help, sorry for the late reply have had serious computer problems, but just one last thing if you dont mind
@TooNice
thanks for all your help, things are a lot more clear now and because of your post have made up my mind kinda now,
Sound Card (as transport) -> Dedicated DAC (as source) -> Dedicated Amp -> Headphone.
this is the setup i will aim for, but will first get headphone and soundcard.
headphones is HD650 but i am still not sure on the sound card, have decided to get a X-fi but which one should i get,
X-Fi Xtreme Music, X-Fi Platinum or X-Fi Fatal1ty FPS Edition since there is not much # between them,although would prefer the cheapest if it does not make much difference. i know you mentioned that the pro version is best with a dedicated DAC, but do i really need it as i am going to be getting them seperate in the very near future anyway?
thanks a lot m8t