The thing is, my friend in SF says he rarely ever sees a model S. Granted SF isn't the most car-friendly city and the mental hurdle of driving from SV to SF prevents many people from driving into the city (I for one always take the bart from Daly City rather than drive in).

SF is the most geographically close, high income center near SV, and yet it doesn't have many Model S's, despite the strong coolness factor that it'd get being so geographically close by. Some surreal proportion of Model S sales must be in SV...