dude i finally got my pro medias and i tested them out with my sound blaster 512 and it was ok but i decided to go with the sound blaster audigy mp3+ and sweet jesus theres a diference im sound quality even my cambrige sound works sound great with it. the only problem im having is configuring the sb1394 on the card with windows XP other then that my card sounds lovely. if anyones knows how to work this little problem ill be thankful.