I had clients buy on Persia and they love it. There are great houses in the area and some that are not great. There are families that have been there since the beginning many Italians, which it was predominately years ago. There is also a fairly large number of renters in the houses there.
I'd say it will take patience to find the right property but you never know. The clients that bought there had been looking for two years before they found me and then they found the house within 2 weeks.
In fact he blogged about it back then and the article still brings calls to me. Google "buying a house in San Francisco" http://www.teamten.com/lawrence/writings/buying_a_house_in_san_francisco.html
The market has changed since then and you should have more to chose from.... more