Are you ready for Karmic Koala?
Can't wait?
Download the beta: http://www.ubuntu.com/testing/karmic/beta [3]
Links:
[1] http://linux.philosweb.com/drupal/category/it/software/software/os/linux
[2] http://linux.philosweb.com/drupal/category/it/software
[3] http://www.ubuntu.com/testing/karmic/beta