Sony PUA 7 to re-wire or not

Simply in the interest of helping the OP who apparently is learning about tonearms and tonearm wire options, I would point out that no one has said silver is better. The AN wire is a fantastic wire; it simply happens to be silver. There are great copper wires. In my experience, the AN is an infinitely better wire than the Cardas, which happens to be copper. It is also an exceptionally flexible wire which can only benefit a tonearm with possibly not the greatest bearings. Worth the extra money? Personal call. I think a better question is will there be an audible improvement in sound? I would say, definitely; and if one considers what many spend two hundred bucks on with very questionable results.....

Good advice!

Yes, silver Litz. The Audio Note UK wire; NOT the Kondo/Audio Note Japan wire which, as Lew says, can cost a small fortune. There is a bit of mystery around what exactly differentiates the two versions of the wire.  Some claim the Kondo is the best.  I use the AN UK wire in my ET2 and I think it is fantastic.

https://www.hificollective.co.uk/wire/audio-note-silver-internal-tone-arm-wire.html

lohanimal, what wire would the arm be rewired with?  If you can get it rewired with Audio Note silver wire for anywhere near the price you quote it is most definitely worth it.  Fantastic tonearm wire that will surprise with the improvement in sound.  Discovery wire is a good alternative if not quite as good.