I did not try the Nordost or Transparent CAST, but for me the original Krell CAST cables sounded a bit anemic and thin compared to my balance Transparent Ref and Ref XL.
I might even still have a pair of 10m runs if you want them..... (can't now remember if I sold them or not!)
I might even still have a pair of 10m runs if you want them..... (can't now remember if I sold them or not!)