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Athearn showed the pre-production models of the GE U50D at TrainFest.
You can follow this link:
http://www.trainorders.com/discussion/read.php?3,2318380
This model shows what Athearn is capable of when they want to do quality work. Since this is on the Turbine chassis, one would hope for a better lighting system on this model - looks to be RTR not Genesis
Thanks much to mil199 for providing the terrific photos.
HF1