just bought a 2002 JAG XJ8 4 my wife 4 $6900.00. took 2 the mech and was told all i needed was 2 replace the cam cover gasket, and lower ball joints. its about $1500.00 worth of work, bring the total 2 $8400.00 4 the car. i'm new 2 the JAG world, so what i want 2 know is this a good deal? the car runs perfect, and is in pristine condtion, inside and out. are the XJ8's good cars or what? and whta are the common problems with them?