The cache date on dozens and dozens of websites (some mine, most not) are EXTREMELY OLD, 2-4 months. Very old cache dates and google is not adding any new pages. In 9 years of doing this, I've never seen it take so long to get a page indexed, nor cache dates that were more than 2 months old on pages that were cached in every 2 weeks. And, it's a lot of sites I am looking at now (to see if they have the same problem, and they do).
My guess is Google is myopically focused on rolling out their Caffeine search/index, and the rest of it has gone off the rails.