I saw a mention that the '59 Buick tooling was destroyed. I wonder which tooling that would be? There were 3-in-1 kits of the convertible and hardtop issued in 1959, hardtop Junior/Trophy/Craftsman kit issued in 1963, and hardtop "Boondock Bomber" kit issued in 1969. If all these kits were based on the same tooling, and it has been destroyed, then there will be no re-issue. What a shame! The '59 Buick IMHO is one of GM's best looking vehicles, ever. I don't think the '59 tooling was modified to issue the '60 Buick, as those were issued in 1960, and two issues of the '59 came after that.
Maybe time for a new tool from one of the "other" guys?