I just got DISH HD about a month ago. I didn't notice the problem at first because, as I figured out later, I was watching the free movie channels most of the time. My 40" Samsung LCD started shutting off and on. I thought the TV was going out but I noticed it was happening more when I was watching DIY, Food, History and channels like that. I can watch an entire movie on HBO without it shutting of but if I change to History channel it gets so bad sometimes it just goes off and on continuously. Going to call service Monday but found this group and wanted to see if anyone has heard of this problem. I have a second HD box on a smaller LCD that works fine. I checked the dish and I am getting strong signal on 105 and 110 but have a weak signal on 129 but that doesn't cause a problem on the other TV. It seems to be an an ir or rf interference. I drug the receiver box as far away from the TV to watch the World Series the other night and it seemed to help but it still shut off a few times. This has become a serious problem real fast.