I have spent all afternoon with the Blu-ray edition of LOST. Yes, it's as spectacular as I imagined it would be. The show is broadcast in HD on ABC in 720p, but these Blu-rays are encoded at the higher resolution 1080p, so they're technically superior to the network broadcast (also with much less compression than is used by cable and dish companies transmitting signals). And the sound is uncompressed 5.1, so it's much more sonically imposing. In short, the best TV series I've ever seen on a recorded medium. I still have a few episodes left to watch and the bonus features, some of which were not on the sDVD set.