Quality goes down with size? I am not sure I agree with this. Sure, the larger the picture, the bigger the pixels are going to be. But, it all depends on how far from the screen you sit. They say the closest you should be to a screen is one and a half times the width. My screen is 8' wide in my theater and the first row of my seating is 12 feet, so it fits this bill exactly. With the next two rows each being another 6 feet back.
So, what you should really do when choosing a large screen TV is measure how far you are going to be sitting from it, then divide by 1.5 and that is how wide your screen should be (that distance is not the diagonal width, like most screens are measured, it is how WIDE the screen should be).
So, what you should really do when choosing a large screen TV is measure how far you are going to be sitting from it, then divide by 1.5 and that is how wide your screen should be (that distance is not the diagonal width, like most screens are measured, it is how WIDE the screen should be).