From what I have read about the menu
on the list and on the wiki there has been some discussion on it but no set
requirements for it yet. I added a page to the wiki to help collate the discussion, right now it just has the two messages from
Yoshinori K. Okuji:
I am planning on taking the discussions on the menu and trying to form a loose description of what the desired design should end up like. Because of how important this feature will be to GRUB I wanted to put this up where everyone can change and comment on it. It would be helpful to brainstorm a little on this first so just throw any ideas on the page or on this thread.