I recently purchased a Samsung HL-R5087W HDTV DLP TV for a new HT setup. In general, HD looks great, as does a DVD. However, watching standard definition TV seems to be another story. In some scenes, the background will display mosaic-looking patterns that move around. Very noticeable. They're not there all the time; they come and go. Also, in some backgrounds, a greenish hue (that doesn't belong there) will appear around certain objects. Again, it's not always there, but it comes and goes. For TV, I have Dish Network satellite. One of their technicians came out and looked at it and was unable to correct it. He ultimately suggested replacing the satellite HD receiver, but is uncertain that it will fix the problem. Does this problem sound at all familiar to anyone? Is it the TV or the satellite signal? Thanks.