I am also very interested in changing the menu bar color (black to white) on the twenty eleven theme. I’m not an experienced CSS user. I know it’s all relative, but wondering if this one change would be a very difficult change to make? I can see there are also some other good reasons to have the custom design upgrade (for fonts, etc.) so I’d be willing to pay for the custom design upgrade in order to change the navigation menu to a light . . . just don’t want to get into something that’s too complicated for me.