Formerly from GB, now in LA. Actually heading in for the weekend myself as well. Can tell you there wasn't really anywhere worth going before. Looks like Simonet's got a DP. That Title Town Pinball place looks legit tho, unfortunately -
"TitleTown pinball is ONLY open for leagues, tournaments and private special events. To participate in a league, tournament or special event, you must be registered. Anyone can register for a league or tournament by sending an email to [email protected] and say you want to play in the upcoming event. We are not open to the public for drop in play."