The menus, except the wine-lists, can be seen
here (bottom right of this "newsmaket" page has the links) and they are valid for three months.
I haven't tried it yet, but the choices of the F menu look poor vs what I like.
Direct links to the Menus:
First Menu ex ZRH March-May
Business Menu ex ZRH March-May
Overview of the main courses which can be pre-ordered ex ZRH:
First
Business