While surfing my HDTV with the Apple TV I ran across the NASA series of HD Podcasts. Wow, these podcasts are amazing on my Samsung HD TV. I had not found video podcasts to be very satifying on smaller laptops and computer screens, but the Hidden Universe Podcast from NASA is extraordinary. I highly encourage you to check out the HD podcasts from NASA including "The Hidden Universe." While I am sure they are fine when viewed on laptops and moderate size computer monitors, the experience on a large HD TV is irreplaceable in my opinion.