Hi Adam! Yes, we are rolling out city-by-city in order of number of listings. Mountain View has around 400 active listings, so we should be there in the next month or so! We use a ton of data to derive our prices, rather than creating a generic pricing algorithm without data, so it's just a matter of getting that together and testing in each market.

I think you should indicate earlier that you don't support cities before users go through the process of creating an account only to find out they can't use your service. I understand you want to maximize users and figure out where the demand is the highest, but I think you should at least give users the option to continue creating an account if their city is not currently supported.