Today (5/9), until 1:30, free Joseph Schmidt truffles and a chance to meet the man (charming), shake his hand, have him autograph your chocolate bars, whatever.
4 Embarcadero Center (next to the Hyatt Regency)
It's Confetti's 20th anniversary and they are celebrating every Thursday, 12-1:30, this month.
Next week (5/16) is Michael Recchuiti (who I know has many fans here).
May 23 is Luciano Reppeto
May 30, Scharffenberger be there with his partner Steinberg, giving a lecture on how to taste chocolate. (should start pretty much right at noon).