if i understand the question right, I’d sure not spend thousands on upgrading a five hundred dollar Blue sound node.
in nearly every instance of moddifying/upgradinfg a device, the outcome regularly varies either subjectively or synergistically.
i’ve only heard upscale servers at shows, but more often than not, in numerous setups, those with aurender came off sounding more tangible and real.
then too, the dA’s in play were nothing to sneeze at either and many ranged from near 10k to well beyond 30K in a few cases.
i doubt too the particular Aurdnder in play was one of their lower end units.
i’ve not owned Aurender but have heard theior support arm is fabulos and maybe that is important to you.
IMO it comes down to how important is it given its application and the surrounding gear in play at the time?
I’ll be crossing this river soon enough as I only have the BSN 2I myself.
good luck!