I've tried AudioMagic Excalibur and Slinkylinks balanced cables. Get this: the iLink cable I'm using is a $25 one from an electronics store - its made in Japan and spec'd to IEEE 1394 standard.
IMO the P5 has the advantage with the addition of the BNC connection for the clock. It will outperform transports since the P5/D5 were designed together. The BNC cable for the clock gets the music's timing more "right".
BTW the iLink cable does not come standard. I tried a few, and the one made in Japan was the best I've heard. Sometimes its better to just adopt the KISS principle. Anyway, if you read the manual, the way to hook up multiple D5s for multichannel audio is the iLink cable.
IMO the P5 has the advantage with the addition of the BNC connection for the clock. It will outperform transports since the P5/D5 were designed together. The BNC cable for the clock gets the music's timing more "right".
BTW the iLink cable does not come standard. I tried a few, and the one made in Japan was the best I've heard. Sometimes its better to just adopt the KISS principle. Anyway, if you read the manual, the way to hook up multiple D5s for multichannel audio is the iLink cable.