It might be beneficial to to add 'view_pre' and 'view_post' to the list of possible values for op, and implement it of course. Similar to form_*. The arguments are the same. Some example scenarios: * Adding topical banners before the content. * Adding a taxonomy browser before the content. * Adding relevant pages between the content and the footer. You should be able to do that with the view hook, but it is easy to get in a situation, when different nodeapi modules clash and you end with an unwanted result. Vlado