It would be great to customize the links in the top menu navigation of categories.
It currently has to be either a static block in CMS or category, but it would be nice to be able to create a link to even an external page.
You can have a look at Flexible Menu extension. It will allow you create links in the main menu for CMS pages, product promotion pages, etc. The main features include:
- Fast way to add menu links without template modification
- Give customers easy access to important information
- Add links to your site top navigation
- Add links to sidebar and bottom menu blocks
- Style the menu blocks according to your requirements