Isn’t the first real playback option 720p24 as 576p24 doesn’t exist in the HDMI standard (or does it?). To my understanding, if the framerate for a specific resolution isn’t supported by the HDMI standard, the next higher resolution supporting that framerate would be chosen (internal scaling by the Vero can’t be disabled in this case). That doesn’t happen atm to my understanding. For 24p it will always be 1080p24 (also for 720p24 video: why??). Doesn’t this also apply to 576p24 content atm - which is quite rare btw, I think?
This would mostly apply to live TV. There’re some channels in Germany e.g. which broadcast with 1080i resolution.