Taj wrote:I'm not a train nut, really ...
I feel that a gentle word to the wise is in order:
There can be no shame in being a railway/railroad enthusiast! (That sounds so much more refined than "train nut" or, worse, "railfan".)
Big things that move, and that move human beings within their confines, are bound to be positively fascinating subjects -- and the train, alone, is able to be viewed, up close and personal, doing what it does best. The aeroplane does so at a distance of several thousand feet away -- at best straight up -- and the ship does so conveniently out at sea where most never witness it. But trains -- they're accessible.
There's another thing about trains that endears them to us -- they're understandable. Once one gets beyond the basics of bouyancy and lift, ships and planes get unapproachable from an understanding point of view rather quickly. Yes, ships float, and 'planes fly, but why -- and how they're controlled when they're doing it -- start to confound the average. Railways, however, combine those simplest of notions of "road" and "guideway" in a way innately understandable to all. Queen Victoria would "get" modern railways. After all, it was some of her "best and brightest" who made them possible, and for the most part -- even though we've refined the art to a high-polish shine -- it's recognisable as a Victorian human-scale endeavour. She'd likely feel as at home with a TGV or Eurostar as she would have with Brunel's Great Western Railway or the fantastic bridge over the Firth of Forth.
So, yes, I'm a train nut. And an incontrovertible one at that. My specialties are signalling-systems and wheel-rail interface. And I stand upon the shoulders of absolute giants, even if I do so as a hobby rather than as an absolute passion. (I have computers to occupy that niche.)