I lived in San Francisco many years ago, but don't get back often. And when I do, end up with friends in Marin and Berkeley. So....this trip....I'm also going to rent an apartment in the city for a few days and explore. I'll be alone, but am used to dining solo. Want some "hound worthy" experiences....high end and great local. Open to any cuisine....but emphasis on fresh seafood. Also a great local Italian place would be great. Help please. By the way....trip is in September.