Despite the poor economy, one product did particularly well this holiday season: the Blu-ray Disc. Recent figures indicate a tripling of sales from the previous year. It’s been quite the year for Blu-ray. If you’ll recall, Warner Brothers withdrew its support for Blu-ray’s competitor, HD-DVD, just before CES last year. Just a few months after that, Toshiba (the creator of HD-DVD) threw in the towel and said it would stop making players for the discs. Given that Blu-ray is the winner of the high-definition disc