too much screen.
I don't fully understand that series of words you put together... I think you're implying that a tv could be too big... but that doesn't make any sense
When you sit in front of a screen you want to be far enough away from it that you don't have to move your head to watch something move across the screen. You should be able to see the entire screen. At least thats my opinion.
When I built my sit-down driving cabinet, I set the 32" screen approx. 32" from where my eyes would be while I was sitting down (the seat does slide back and forth for adjustments). This puts the field of view perfect for me while I'm playing games.
If it was a 42" screen, I most likely would have moved back even further - around 42" to get the same effect.
Now put a 50" screen 24" from your face. The field of view is too narrow - you have to turn your head to see the edges of the screen (or at least constantly flick your eyes back and forth). (For TV viewing your actually supposed to double the size in distance - so 55" = sit around 110" from the screen).
Now factor in three other players who also need to see the full screen at all times in an arcade style setup. A lot of cabinets are only 36" deep - maybe 40" deep. You'd have to mount the 32" all the way in the back of the cabinet to get a good field of view for all the players. If you put a 42" or 47" (or bigger!) you'll just be too damn close to it.
At least, that's how I think of these things.