it intrigues me as well.
for instance my 69 is: deluxe interior, buckets w/ headrests, console, automatic, no wood grain dash, tach, am/fm, woodgrain wheel. it is AC if that makes any difference.
it's funny to see the old brochures and think: wow a big block and 8.75 with 3.91's was only like, $562 more... and then when you realize that was like, 3 weeks wages