best mod for a jag is to replace the engine with something not found on a ship and then rewire it, full of Lucas the dark prince wiring. Oh lease vehicles would have to be the worst thing, we deal with them all the time, they will only let you do the least amount of servicing possible and they won't always fix problems, even if they are safety related.
John if you get an alfa.... you have my number. Also make sure you have RACQ membership, ultra care spec. Actually anything euro have RACQ