The queries have been answered well above. I'll just add a few things.
Yes CL7 / CL9 does indeed offer a very good package due to its price, drive, features as well as the support in terms of parts and mechanics, in my experience.
Type S would have least features but comes with factory bodykit and 17" rims. Considering how old the CL is now, I would give more value to the condition of the car rather than features, and as explained above, features can vary greatly. If lots of options are important for you AND you need a car in great condition then it could be a long wait for you.