I really support development along established rail corridors along CalTrain and BART lines. There should be ridiculously tall housing towers in cheap places like Hayward and open places like Walnut Creek and Pleasanton, if only the BART was not so damn slow and so freakishly expensive.
Prediction: the gentrification currently happening in Oakland will soon spread to Richmond and Vallejo. Vallejo, it's crime problems aside, actually makes a lot of sense. There's a ferry there and cheap housing.
The ferries are just as fast and definitely more pleasant than CalTrain. (BART though is faster, I'm pretty sure.)
Also, if you are in San Francisco after 10pm, no more ferry for you. BART, CalTrain, and Muni are all much more flexible options.
Cross the bridge, take a left, and drive out to the national seashore. Have lunch in Pt. Reyes. Drive back out to the 101 through the Nicasio horse country.
Thank you, thank you, Marin County NIMBYs. Thank you.
Also, as kind of an aside, Marin NIMBY's pretty much killed mountain biking in its birthplace, which I also find sad.