Remember when getting a CD player in your car meant an upgrade package? These days it's almost impossible to find a car that doesn't come with one standard. And extras that used to only be available on luxury cars, like heated leather seats and GPS, are now available for reasonable prices on much more economical car brands. So this leaves the luxury car companies hustling to come up with the latest and baddest technology to set their cars apart from the masses. So what are they coming up with?