Ribbon is one of the best inventions Microsoft ever came up with and I will die on this hill. I'm old enough to remember very well the suffering when I was trying to find something in the classic menus or among the billion equal sized icons scattered across multiple toolbars in old MS Office versions. When Office 2007 came out, everything was suddenly so much easier to find, often with less clicks. I don't see any reason why I'd need the old style menu in addition to ribbon.