As a possible workaround I used tasksel to install the 'Ubuntu desktop'
task, this does not seem to depend on gnome-keyring-manager.
I haven't rebooted yet to see if the complete Ubuntu Gnome environment
is present.
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[hardy] gnome-desktop-environment is broken
https://bugs.launchpad.net/bugs/1
This is still broken in May.
If gnome-desktop-environment is not the correct meta-package to use,
which package/task etc can be used to install the gnome environment?
I also note a forum post from another user:
http://ubuntuforums.org/showthread.php?t=770987
$ sudo apt-get install gnome-desktop-
