$200 to $300 for Castle Grayskull!!? NO THANKS! I'll stick with the anime hyper detailed version... unless it comes with a life size replica of the power sword I ain't buying it... (The Crystal Castle better come with a life size replica of the sword of protection)
They could make the sucker for about a hundred and use the "Small diorama" SKUs to give us the extra goodies that go inside the castle and beyond.
(Have the castle itself come with cardboard inserts "just like we remember". Then use the small dioramas to make actual 3d plastic versions of the "Vintage cardboard stuff.)