Last post for the day, and probably until monday.
Finished expiration implementation (and it works just fine)
Fixed a tough bug and now the background fetcher updates the UI correctly
Made the template location code work correctly before and after installation (thanks to help from PyAr mailing list)
And the pretty one: custom CSS file used for all templates. The default webkit (and khtml, and firefox) CSS is horrid. This one is just not pretty, but still an improvement.
And of course, a screenshot. Akregator on the left, uRSSus on the right: