Consumers may be tightening their belts, but that reduction apparently hasn't affected DVD sales just yet. In fact, spending on DVDs and Blu-ray discs during the first half of 2008 showed a slight increase over the same period a year ago, according to data collected by Home Media Magazine. Spending on rentals rose even more, indicating that perhaps part of consumers' money-saving efforts involve cozying up to a movie at home for entertainment instead of heading out for a night on the town—or downloading from the Internet.