Interesting...I do the same. I am not sure if I mentioned this earlier, but I use a rubberband and put a silver wrap around the PC as it enters the IEC...and the place a Magma on top of the Entreq wrap...using the rubberband to ensure it does not fall off.
As for Nano (that's what its called...forgot, thanks)...yes, they are very promising. So far initial observations is that is created remarkable detail out of strings and other background elements which was super cool...but you have to be careful about the overall weight and result of that. By contrast, placing 2 on top of the DAC has created a mini kind of -listen to your collection as if it were new- moment which is, as PO says, very impressive. More to come...much more to come.
At lower volumes, still working to establish if a sliver of weight has come off the overall presentation...but it was late and the volume was super-low, so need to check at normal volumes later today.