Unfortunately, SFO is technically not even in San Francisco, it's in Burlingame. It's a pain to get in and out of that airport, and the freeways that get you into and out of San Fran are ALWAYS a mess. I'd just stay at the airport and eat at PF Changs. I think they put one in there.

I really would not venture out to San Francisco. You MIGHT be safe if you get in around 10am and your stop-over is late morning to mid-day. Anything earlier than 10am or later than 12pm, you're stuck at or near the airport. Plus, if there's a Giants game at SBC or a concert or anything at Candlestick, you're screwed cause the freeways are all crazy.

There's a Benihana in Burlingame. Everyone loves this place. Fanny and Alexander is in Burlingame. The one in San Jose is supposed to be good. That one should be, too. Kinkaid's is great if you like seafood. La Scala is supposed to be good.