If anyone is interested in information about various state concealed weapon laws, you need to check out Packing.org. They've got detailed information for every state.
If you want some California-specific info, check out Jim March's new blog, Capitol Truth; Mr. March is a long-time California activist who has been working hard to get us shall-issue laws that would require local law enforcement officers to issue CCW permits to all qualified applicants, rather than just to celebrities and their families and cronies.