Issue in enabling Site Collection feature of newly created Site
1) Take the IIS of the MOSS server
2) Open the web site folder , select the required web site and right click on it
3) Click the 'properties' from context menu
4) Click on 'Home Directory' tab
5) Change the current 'Application Pool' of the site to cental administration's application pool
6)Take your site and try to activate 'Site Collection Feature'
7)Then repeat the step from 1 to 4
8)Change the application pool from cental administration's application pool
to site's application pool
9) Then enable rest of site feature
After enabling publishing feature of the site, you can see more menu item in 'Site Action'