Hey Craig - I remember your story on how you got the GP. Admirable perseverance!
The one I have was from a vendor at the Kitchener (Bingeman’s) show back in March. He had two of them. Brand new, factory dcc, he was asking $139 but if I remember correctly, he accepted $125 cash. Pretty good deal, but dcc operation was horrible so I ended up putting in a LokSound decoder (thereby doubling the expenditure).