Did 3rd Rail have different production runs of their N&W Y6b?
If so, were there mechanical or electrical/control differences between the different runs?
Is there any consensus as to which ... the Lionel Legacy or the 3rd Rail .... is the better runner? Which one would run more smoothly, run more slowly, and sound better ... on my Lionel Legacy system?
Is 3rd Rail's only advantage .... more prototypical detailing?
Thanks, Matt