I have my LG 55LH90 connected to a DirecTV HD receiver via a Coby 8 foot HDMI cable. Every so often I get a split second blip (best described as thin horizontal lines) only occationally when a scene changes. It's almost like a slight lag or signal brake up when it switches from one scene to another. This only happens about once in a 5 minute period. Tried messing with the settings but still happens once in awhile. I'm thinking it could be my HDMI cable. Haven't noticed this at all on the PS3. Again, it is barely noticible for a split second during a scene change.