I'm looking at purchasing this dac.  However,I have heard of some weird issues with the usb input specifically when playing 88.2 or 96khz files.  The LED light which should display red when playing those hi-res files instead displays an amber color.  Has anyone experienced this and is this a...

I currently have a Mac Mini going optical into a CI Audio VDA2 DAC. I would like to go coax out to my DAC. Is it better to get a USB/Firewire converter or go optical into a DIP Classic?