Looking at an XFR and an XF Supercharged that both only have one key (neither at a Jag dealer). Of course to me that is ammo to get the best deal I can. Have read some really old posts and $400-500 is what I've seen quoted for the cost for a fob and programming. Have also seen some aftermarket lower costs but of course that requires a good locksmith. Is $400-500 about the max I can expect to have to pay or has it gone up? I remember my X type cost was $300 at a locksmith and dealers wanted like $600 so the dealer quotes I've seen here seem really reasonable compared to that. Thanks