Do you mean the New and Delete buttons in Settings ] Launcher ] Tabs? Because other than that, nothing is greyed out in my case (the Edit button and the two checkboxes at the bottom).
By the way, if you want to create a new tab (let\'s call it Example) by hand, open Konsole and do this:
cd /opt/QtPalmtop/apps
mkdir Example
mv Applications/some_app.desktop Example
Then, exit Konsole and go Settings ] Shutdown ] Restart Opie. The new tab will not have an icon and it will have the outrageous Blue Nebula background. To change the background, go Settings ] Launcher ] Tabs. The new tab will not be listed but you can select All Tabs, then choose Edit ] Background and do what you need. This will affect all tabs, of course.
Removing the tab is similar (move .desktop files to a safe place, remove the directory, restart Opie).
Hope this helps a bit.
z.