Drew - your car is one of 1628 with an auto/400. 1095 of those had hard tops, 533 had t-tops. Of course, you knew this.
Now, your father ordered this car new. How rare is it that you'd know everything about the car's history? How many of these do you think are still around? Yeah, this is a family heirloom - take care of it as such. Everything you describe is cosmetic and minor. It's all there ... that's 90% of the battle.
As to the guy who keyed it - if you know where he lives ... I know a guy, who knows a guy who has a friend ...