Hey, a mate of mine has recently purchased a set of logitech z5500's, and intends to hook them up to his audidgy2 ZS - he wants to connect them via digital for best possible quality, and has asked me what sort of cable he needs to do it.... I dont have a main pc atm, nor do i really know anything about audio - so what does he need? can he connect his 5500s and a2 ZS together via digital anyway? i didnt think the ZS had digital out, only coaxial? can somone link me to the sort of cable he'l need if he can? cheers folks!