I bought my dad a new flat screen - just a 32 inch model - because his box tv had diagonal lines across the screen and a very definite GREEN hue to it......
Got it hooked up.....
Since I got my new television - I haven't been happy with the Broadcast HD quality, so while I had my cables out, I looked at my television and discovered that when the Comcast technician installed my new box, he had hooked it up with Component wires instead of the HDMI connection.....so I redid that....now it looks MUCH better.