Power Cables

I currently use a Power Oval cable on my Krell amp and did notice a drop in the noise floor compared to the power cable that came with it. I finally spent the money and purchased a new Wadia 302 CD player and was wondering what advice you out there could give me on a power cable for it? I heard of the "Blue Marble Audio" but did a search and was unable to come up with any results. I am open to all suggestions.
Thanks!