Is there any chance of a 30 person raid option being added? In 25 mans sometimes we add an extra person or two due to people being offline, but raid frames disappear if 40-man isn't checked, but I don't want to see WG/AV raid frames.
Layouts automatically inherit any settings that the currently selected layout has.
E.g. if you have the default, normal layout selected, any layout you create will have all settings defaulted to that layout. But if you make a custom layout, then create a new layout while on that custom one, the new layout inherits all settings the custom one has.