:D
I've had both for awhile now and agree that. for the most part, that CCA > D-Nail.
When using the same dabbing surface, that is SiC vs SiC and Quartz vs. Quartz, the Liger V2 lets less reclaim into one's dropdown/rig.
So it's definitely more efficient.
However, the D-nail Sapphire Halo is...