Found this article today from SF Chronicle writer, Bob Egelko.  It is in-depth yet succinct, and gives a really informative overview about Proposition 8 and where it's headed as the Supreme Court considers hearing the case.  I recommend the few minutes' investment in giving it a read!

http://www.sfgate.com/politics/article/Highest-court-to-decide-on-gay-marriage-3894340.php