Over age 62 - living with your love

If you are over 62 and living with your love of the opposite sex, there is a new opportunity. Many folks don't marry for a number of reasons, they would lose out if they married!!! Now in California they can register and get some rights like married people have!
http://writ.news.findlaw.com/grossman/20050809.html
What does this mean? Do responsibilities come with these rights?
Since the act applies to gay and lesbian registered couples of any age, many people are investigating the meaning of it. Your registered partner may get community interest in your property. Title companies may require quit claim deeds when you sell your separately held property before they would insure title.