Well Tempered Classic or Technics SP10Mk2

MDT,
As important, or more, than the tonearm is a heavy and well isolated plinth for the sp-10 tables. I currently have two identical double arm plinths. For two of the four tonearms, I use the EPA 500 system(seven different armwands in all). The other two arms are modern high end arms. The EPA arms compare surprisingly well to even the Air Tight PC-1 Supreme on the SME 312s Magnesium. For fun, I tried the Ortofon MC10 which I bought for $150 on the a501L wand with surprisingly good results.
Rewiring the EPA arms may help but I've done nothing to mine yet and they perform very well. Lewm is right, for a relatively low price, you can try the sp-10 and EPA arm with little loss on resale. I doubt resale will be a consideration however.

Lewm,
I don't believe anyone did either. The EPA arms hold their own quite well against anything I've tried though. The sp-10 tables likewise. I don't know how anyone could make a claim for best ever on either one but they're both good enough that only modern sota designs will surpass or even equal them, and at a much higher price.
By the way, get that mk3 up and running. It's a beast.

Mike,
Like you plan, I got the EPA 500 system to utilize some of my extra and less expensive cartridges. I honestly didn't expect the performance I'm getting. You may be surprised with a vintage arm. When my Soundsmith retipped 90x shows up I'll mount it on one of my a501gs. I expect it to be another eye opener. Currently, I have the XV-1s mono on an EPA 250 arm and I really don't know how it could work better.