Dish HD is a far superior signal than DirectTV. Yes, much of it depends on the receiver and the Dish 622 HD receiver is really good. One of the satellites that Dish uses is broadcasting a weakened signal, especially to the Pacific Nortwest but this is not a problem if you already know about it.
Go to DBStalk.com which is a link filled with really involved satellite folks.
Go to DBStalk.com which is a link filled with really involved satellite folks.