While HDX video has been a trademark for the Vudu service for years, when it launched streaming and Vudu-to-go downloads for PCs last year, they were limited to standard definition. That's been corrected recently, as the service is now offering 1080p or 720p HDX video via the web. What you still won't get on the PC unfortunately is higher quality sound as it's still limited to stereo audio for now, and in our tests we weren't able to
