i actually live in the bay area, and its kind of scarce as far as cons go. i travel to san diego most years for CC, and sac anime and fanime are kind of my back yard (i can take the bus and it takes me less than an hour) other than those two tho, theres a really small comic and anime convention in san marin, and another at the santa rosa convention hall come summer. thats kind of it tho, we dont get a lot in the way of cons