Ducatis come in two colors. GT3s come in one. Desire for rarity in type and color seem to be two very different things. When I think of buying a Civic, I think of buying it in whatever color I want. When I think of buying a 911 Turbo, I think of buying a 911 turbo, whatever color it happens to be.
Although I'll admit, I yearn for a Midnight Blue Ducati