Welcome to Just Commodores, a site specifically designed for all people who share the same passion as yourself.
this might be of some help
Transfer Your iTunes Library from One Computer to Another : kadavy.net
Cheers
Holdensupporter2005 :thumbsup:
Seriously though why bother?
Just copy or cut all your songs from wherever they are now, to wherever you want them.
Drag and drop into iTunes on the new computer. Easy? No need to make it any more complicated