The giix code generator has out of the box i18n support for model names and attribute labels (besides other cool features > check it out!) .
But I want to factor in not only the plural form, but also the grammatical cases (especially the accusative) while translating 'Manage Objects', 'Create Object', 'Edit Object' etc.
There are cases that you want more control to your menu
Suppose you want a specific menu with complex css, layout, images.