You should check out chowhound.com for restaurant ideas. They are more
active than ba.food and you'll see lots of reviews and suggestions.
We're not into high rent restaurants particularly, although we did have
a memorable meal at Fringale, a bistro South of Market that the French
chefs at the Culinary Academy adore. The food was delicious, the
service correct but friendly, the atmosphere relaxed.

As for what to do for a week - go to the California Historical Society
and get a book of walking tours of San Francisco. Get a bus pass and
ride cable cars and busses for a day. Take a foodie walking tour of
Chinatown (I mean to do that myself one of these days). Go to the
Saturday farmer's market at the Ferry BUilding, natch. Ride the ferry
to Tiburon or Sausalito.

I like walking around Russian Hill, North Beach, Cow Hollow, Pacific
Heights - but the neighborhoods are too numerous to name. Recently we
popped into the SF Art Institute on Russian Hill at about 9 pm on a
Saturday night, wandered around the edges of a truly fabulous rooftop
wedding, wandered through the halls to a courtyard with a Moorish
fountain, looked at art in studios and galleries, gazed at the
sparkling lights on the Bay from the roof. It's a special place, and
the cafeteria (great views) is open to the public. The whole thing is
open to the public, seemingly all night long. Don't know how they do
it.

You'll want to go to Muir Woods, and if you do rent a car for the day,
wander the Marin headlands maybe, or take a bus out there and do it on
foot or by bike (warning you, it's not for amateurs).

A tour to Sonoma would be nice (I prefer it to Napa, Sonoma town is old
and walkable and quaint, the winery scene not so vast and honky tonk as
Napa) so you don't have to do the driving, if you're tasting.

Don't forget to check out the Mission - including Valencia and other
nearby streets - active restaurant scene, including various Spanish and
South American restaurants. Mariachis wander at night, playing for
tips. I lived in NYC in the old days so I don't find the Mission
daunting but be aware that it's very urban and has lots of street
people.

Ethnic food I like: fast tandoor and curry places like Naan n Curry or
Pakwan - these are local "chains" with several branches; Vietnamese
sandwich shops and restaurants in the Tenderloin. But chowhound folks
have more knowledge than I do.

You may find it fun to visit the California Culinary Academy for lunch
or dinner - call ahead to find out their schedule, they are sometimes
closed for holidays, and rarely serve meals on weekends. The main
dining room (used to be called the Careme Room, might have changed) is
an old theater, enormous, two levels, with glassed in kitchens in the
wings and the former stage. The food is showy and can be uneven but the
setting is high energy - 700 chef students create a lot of buzz! It's a
fun thing to do, close to Civic Center, the Opera and Ballet.

These are thoughts off the top of my head, from a person who lives
across the bay and wishes I could get to SF for pleasure more often. If
you want an exhaustive list of what to do there with 5 year olds, ask
me.

Leila