Have a couple pair of mint 1 meter RCA Red Dawn LS series cables (1 XLR). These are better than the Heimdall in my opinion and are at the top of the new Leif series. Nordost is launching upgrades to their whole line and the Red Dawn is now somewhere in between the Heimdall and Frey.
I have experience with Nordost cables and started with Blue Heaven and Red Dawn combinations. Over the years have worked up to to Frey, Tyr and Valhalla. This new line is strong and just shows that Nordost is always working to improve performance. FWIW the newer Blue Heaven must be a steal too.