View the comparisons of Fellowship of the Ring: http://www.cornbread.org/FOTRCompare/index.html
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Part of the problem is you're veiwing this images on your (relative to a TV) small monitor. Blow up a standard def image on a 55" screen, and you'll have no problem telling the difference between SD and HD.
What is the HD source? Blu-ray? HD DVD?