One of the biggest joys of owning a home theater is watching a great action movie like Skyfall, the latest James Bond film. Typically, I prefer to watch high-budget movies on Blu-rayâ€”after all, when I watch a blockbuster, I want the sound and image quality to be as good as possible. Last week, iTunes made Skyfall available for purchase one week earlier than the Blu-ray release. Because it is the middle of winter, I decided to succumb to the urge for instant gratification; I bought the movie and watched it instead of waiting. What I saw truly surprised me. From the very first moment to the very last credit, I scrutinized Skyfall for any significant flaws in the image quality. To my surprise, iTunes managed to get through the whole film without any obvious signs of compression. I have an aversion to banding, macroblocking, smearing pixelation, and tearing, and I saw no egregious artifacts. Impressed, I decided to see how Vudu compares. The Vudu HDX version became available Friday Feb. 9, still four days ahead of the Blu-ray release, so I bought the Vudu version and began my comparison. Continue reading here.