Yes. Gerd Schraner mentions it in his fine book "The Art of Wheelbuilding", and lists more pros than cons. I think the main trick is to be handy with a soldering-iron or a small torch; it seems that it would be quite easy to totally screw up what was otherwise a perfectly fine spoke. Believe me, I've worked in the electronics industry, and you'd be amazed as to just how ham-fisted some people are when it comes to wielding a soldering-iron (Gerd Shraner has an apt quote about "…a child's first attempt at knitting"
- Wil