I am using BlueJean Cables throughout (speakers digital and RCA). I even switched from optical to coax out on the vault. Still can't really hear a difference.
Let me correct the part about can't hear a difference. I can hear a slight difference neither one sounds better just slightly different. When I have my daughter switch back and forth I can tell there is a difference, not better or worse just different, but I can't tell which is which. Not a true blind test but close enough.

