Just 'cause the week will go fast, I'm listing out a few options by date/time. For instance, if you want to do a dance thing, Saturday is probably your best bet. Or next Thurs-Fri on your own.
Fri
SFO 11pm (what airline are you on?)
Maybe a quick Driving Tour and/or walk down to Marlena's for a night cap
Sat

 Pacific Heights Mansions Walking tour (11am)

 Telegraph Hill hike (1pm)
OAK 8:25pm JetBlue (that's awesome! I thought you weren't getting in until 11pm for some reason. I take back my earlier comment, haha.)

 Pop Rocks 

 at DNA? ($7, 9-4am, the color is green, band at midnight, 375 11th St @Harrison)
Bonus - Look for us on their 

 webcam.

 Art Patch Benefit at 12 Galaxies ($15)

 Spike's Vampire Bar (burning man camp) Blood Drive at Porn Palace ($15/$20, 9-3am)

 Club 6ix ($7/10, 60 6th St @Market/Mission)
Sun

 Victorian SF Walking Tour
Mon / Tues (since you'll be right downtown for the conference

 SoMa

 Union Square
Wed
OAK 11:15am (get you there around 10:15am)
Thurs
I will be at the Rickshaw Stop Thursday night but you can do whatever you want.
Fri
I have to leave at 6am to catch my flight to Rome. Wish I could stay longer, but I can't keep the Pope waiting, haha. 
Whenever

 My Neighborhood (Hayes Valley), Civic Center, Alamo Square Park, 

 Deco Ghetto, 

 Japantown

 Embarcadero

 Tea Tasting at Aroma near 

 Clement

 Marina, Chrissy field, Golden Gate Bridge, 

 Marin Headlands, Sausalito House boats

 Golden Gate Park, 

 The Haight, Ocean Beach

 Castro, 

 The Mission

 Chinatown, 

 North Beach

 Pacific Heights, Fillmore, Union Street

 Nob Hill, Cable Car museum

 Russian Hill

 Amoeba Records

 Monterey Bay Aquarium

 Winchester Mystery House

 Gay Bars
After Hours
Most places close at 2am, but there's always 

 The Endup and a few other  

 After Hours clubs. (Don't worry, you'll still be acclimated to East coast time anyway, haha.)
Nice Pictures thanks for sharing.
To think, if John Ashcroft were king of Italy he would robe all of those lewd, lascivious statures.
awww...i havent' been there in 12 years! did you have the super delish pizza folds at the shop by the colosseum?
sigh... jealous jealous jealous.
(I love that statue with the snake though... the Laocoon maybe?? something like that.)
I am so jealous, it has been so long since I have been to Italy.
Oh... yeah... right. Welcome back, too. And thanks for posting pics of other things. At least the hills are big..
More naked people!!