This girl in SF stole my MacBook Air
I don't know what the general environment is like there in SF, but in London, UK there is <i>no way</i> I would ever leave an expensive shiny laptop unattended in a public place like that. At the <i>very least</i> I would always ask someone else to keep an eye on it. Sorry, I know that's not very productive - good luck in your attempts to salvage whatever you can.