Mask underlying menu completely.
What I like about the current opaque approach that most of the background is kept, so only information is added/subtracted and when the submenu disappears I know right where to read on. This basically is a modified reasoning like with full screen submenus, but the new "hide background" is a bit more agreeable since the menu bar is kept in place.
If I'm the only one with this perception please do implement it, but personally the "clean" argument is not sufficient for me, "clean" to what effect exactly? Is the opaque background just in the way of a specific idea about how design should be, or how does the opaque background hinder ml's usability - because this time there are no added benefits like more space. If the idea that the background is confusing, it's exactly the reverse of what I perceive.
Polish/simplify: Consider hiding Movie and Audio tabs when not in Movie mode - both regular and junkie modes.
Generally I'm in favor (<- please not this :-)) of your idea but see three problems:
* I recently discovered that "Audio Remote Shot" in is depending on the Audio stuff (Wind Filter, Mic Power...), and it's helpful to see the audio meters to have an idea of the trigger level vs. the background level, i.e. the danger of accidental release.
* The Movie menu has "Creative Effects" in it that is helpful for lv mode & manual focusing (focus peaking is easier with desaturate to b/w), actually that's the only item I have left in this menu
* People might want to leisurely change movie settings before going to movie mode because once in movie mode (at least on my 60d) the mirror flips instantly up, drawing battery power. Sure you can turn off lv again, but it's a hassle.
I hope these concerns can be worked out, esp. since I'm never doing a/v and even disabled these features in the binary.
