it depends, if you want to transfer the entire drive, then norton ghost or similar is the way to go, however if you play on just moving/copying some files from the existing one to the new one, just plug the old one in as a slave, or put it on another ide chanell, when you then boot to windows you will see the other drive and can browse it as any other drive, so you can copy over what you want
Next time you wave - use all your fingers