. . . not just because it's a niche reference, but the movement is an evolutionary 'dead-end', so to speak.
Between the revised Rail and reinterpreted 2998, it's a tie, but the Speedy edges out on intrinsic and residual value.
There are, of course, many more Omegas to choose from. And if you're willing to go the vintage route, the choices border on the astronomical.