Nielsen Consumer Insight has issued its 2009 Industry Outlook, covering everything from book sales to mobile phones. Up first is a look at how 3D movies are likely to fare as families are likely to keep a tight reign on their budgets in 2009. Movie theaters may prove to be the exception.  Why? Consumers appear to love 3D films. In fact, gross sales increased over 60% for films exhibited in 3D as compared to traditional film, and this increase is due to higher prices and higher attendance. With over a …