I think you'd find the MkIII with the XE motor in it quite a handful without messing about with Turbos
The fact the MkII has been on Pistonheads for 46 days should tell you its over priced.
The Classic Ford market is booming and nice stuff, built well, it fetching good money and selling quickly.
As with a Cossie, look before you leap, they can break your heart and your bank just as quickly.