Best phono DIN/RCA cable

I'd have to say the best I've tried is the Purist Venestas. By a pretty big margin. Other very good ones are the Hovland Music Groove 2 and the Graham IC50/70. I've had all in my system.

The Purist is in a different league...

The Purist is much much more quiet. Which allows tons more detail and imaging clues to emerge. Sweeter top end, deeper bass. More weight in the vocals. It's dramatic, not subtle. More real, wet presentation.

Some people might say the Graham cable is bright, I wouldn't, but the Purist keeps the detail, but portrays it on a black black background.

It's like a phono stage or cartidge upgrade. That big.

Downside, it takes 2-3 months to break in on normal playback. Sounds better right away, but will just keep opening up...

Never tried the HDI, so I can't help. I have tried the Dominus, not in a phono cable, but in a interconnect...my o my....I wish money grew on tree's.