How are 48 FPS going to be displayed evenly on any panel? Most panels are following the 60 Hz grid line of thinking. Only a few obscure plasmas do this weird 96 Hz thing. Even so, the Hobbit is only going to be 48 FPS in cinema. There is no standard in any media to support anything more than 1080p24. How would 48 FPS not have judder on a 120 Hz panel? It is the double of playing a 24 FPS movie on a 60 Hz display. The effect would be less noticeable, but still there.
I want to be able to send 120 Hz to a display, period. To do the 5:5 pulldown on the display would need a 24 Hz input. I don't want to have to switch between 60 and 24 based on what is being played. Even being done automatically is a pain in the ass and slow. It's not a waste of bandwidth because it's not like that bandwidth would be getting used for anything else.
I want to be able to send 120 Hz to a display, period. To do the 5:5 pulldown on the display would need a 24 Hz input. I don't want to have to switch between 60 and 24 based on what is being played. Even being done automatically is a pain in the ass and slow. It's not a waste of bandwidth because it's not like that bandwidth would be getting used for anything else.