Janobyte -
Glass date codes--carpet ? Seat belts ?
When I was there, I didn't know enough to check the glass dates, but the owner told me that another person looked at the car and told him that the glass was original. Thus far, he's been as honest as the day is long, so I'd lean toward believing him.
Carpet - original type loop pile, same deal with the glass, didn't know how to check if it's original. It's all there and in good shape, a bit faded in places.
Seat belts - present and accounted for, don't know if they're original.
As far as ggtsvnv's comment, I WAS originally looking for a big block car, but I was always open to the possibility of a Z28, one just never presented itself. I really like ALL 1st gen Camaros, and was looking for an original high-performance version of one, be it a big block or a Z28.
It also seems to me that, over the long run, a Z28 will hold/appreciate in value more. I'm not looking for a car as an investment, but I can't ignore that aspect of purchasing a vehicle. No one wants to buy a car knowing that it will lose value, the only exception being cars purchased for sentimental reasons, and as far as I know, I was NOT conceived in the back of any type of Camaro, so the sentimental pull for a particular model isn't there.
Chris