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I have several Super Speeds including a VERY nice 1973 black handle. They are all good shavers but for me in the vintage stuff, nothing touches my ‘57 Red Tip....not the Slim or Fatboy either. The RT just feels “right”.
That said, I prefer slants as a daily driver.
I was comparing the ATT S1 for sale in the BST to your Fine and the Wunderbar (and the 🦊 for that matter) and it just does not seem to twist the blade nearly as much. By all accounts it is a good shaver but the difference is interesting.