Florida blue... how rare is it really?

Hi all
Am looking for a Florida Blue mk1 but want a 3 door…I'm hoping to buy one and never sell it I know of a 5 doors up for sale, but think I would always be kicking myself for getting a more doorA few questionsDo they come up often?What sort of money do they fetch?And lastly any for sale?thanks

one just came up for sale in classified section

Pretty rare