Sebastian wants to know what speaker cables would be best for analog audio. Leo says that he'll want to get well-shielded, well-made cables. It's vital to get good speaker cables when dealing with analog. For digital, though, it's best to get the cheapest cables you can get because bits are bits and the quality of the cable won't make a difference.
BlueJeansCable is a good source, but avoid Monster. It's way overpriced.