bSocial San Francisco Thriller vs. Monster Ball part 1 Saturday - Oct. 25th, 2008 @ Westin St. Francis 335 Powell Street (@ Post) 9pm - 2am | map it | Limited Presale Tickets Group Packages -Buy 9 get 1 Free - Must purchase 10 tickets first, at check out enter code: THRILLERWESTIN Thriller vs. Monster Ball part 2 Friday - Oct. 31st, 2008 @ SF City Hall 1 Dr. Carlton B. Goodlett Place 9pm - 2am | map it | Limited Presale Tickets Group Packages -Buy 9 get 1 Free - Must purchase 10 tickets first, at check out enter code: THRILLERCITYHALL