I rode behind many a dull, dirty Penn Central GG1, and why anyone would want to own a model of that one is beyond me.
There are plenty of good reasons the Penn Central still has a following. Many of us have fond memories of the railroad. Some of us had relatives that worked there. Many others enjoy and appreciate the wide and colorful array of motive power and equipment that was inherited by the merger. And some simply take a liking to the utilitarian engine paint schemes. I am a fan of the Penn Central for all the reasons above.