I've always thought ESPN has had some of the better PQ of all the HD channels (I have a 56" 1080p DLP). I think the best PQ is RAVE and EQUATOR (but who really watches those?). ESPN doesn't come close to these. I've found that Discovery HD seems to have pretty consistently crappy PQ relative to the other HD channels. Has anyone else noticed this? It seems maybe the resolution that Dish (or Discovery?) is broadcasting their content is really low or something.
This is slightly off topic, but supposedly Dish downsamples 1920x1080i video into 1440x1080i. I don't quite understand how this would work since this would mess with the aspect ratio. If this was the case, wouldn't all 1080i HD channels then have the black bars on the left and right side? If not, then they must stretch the image horizontally to fill in the sides causing a pretty obvious distortion to the video (people's faces would look fat, etc). If they didn't stretch the image, they could probably zoom it, but this would cut off the top and bottom of the image (in which case it wouldn't make sense to broadcast 1440x1080, instead they should just use 1440x800 or whatever it works out to).