Digital cables and "a significant improvement" shouldn't really exist in a Meridian all digital world. One of the key 'advantages' of digital speakers was to get way from the cable debate.
Have to admit to being a little troubled that it creeps back in to my safe and happy cable-worry-free world.
I know where you are coming from but what I reported was mostly about shielding and RFI rejection. If you look at the cat specifications ther is no mumbo jumbo or snake oil just different specs for different jobs.