I have my Coolsat 8000 set up on top of my TV (An old 32 inch CRT Samsung HDTV monitor). When I had my receiver hooked up SD using a composite RCA jack everything was just fine (except it was SD). When I upgraded to Component cables for the HD channels I had a great quality picture, except I noticed some wavy lines running through the picture. They look like analog FM interference except running horizontal rather than vertical. Most of the time they aren't bad, but sometimes they are quite visible. Has anyone else had this problem with a set top box?