^^^The four:
The fourth:
All images courtesy
http://www.socketsite.com/
I'll go out of a limb and predict that, since it's the ugliest and least imaginative, #4 is what will get picked by any right-thinking San Francisco commission or board of "deciders".
Sorry you like it, northbay420 but come on--those interior courtyards remind me of public housing or Lower East Side tenements.