I don't like things done only half (or three-quarters for in this case) made, so I've done some more cleaning up of my world.
What I did now was to check again what's obsolete by running:
dog /var/lib/portage/world | xargs paludis -up --all-versions
…and removing those entries from /var/lib/portage/world. I feel better now :]
hook out → listening to Rage against the Machine and drinking my last cuppa of Doars F.F. – I'm just shy of being completely out of Darjeeling and similar Indian teas! Aaaaaaaaaaaaaarrgggggghhh!!! XD – while studying Property Law