With the Windows 7 launching on 22 Oct 2009. Ubuntu is release their own update Ubuntu 9.10 aka Karmic Koala on 29th October. The new Ubuntu desktop comes with a lot of new features as well as enhancement to the existing version!

Ubuntu 9.10 can be downloaded here - Download Ubuntu

NetworkManager Gets Facelift
http://www.workswithu.com/2009/10/19/networkmanager-gets-facelift-for-ka...

New Theme, Icons
http://www.workswithu.com/2009/10/07/ubuntu-910-preview-new-theme-icons/

New Login Manager
http://www.workswithu.com/2009/10/03/ubuntu-910-preview-new-login-manager/

Installer Slideshow in Ubuntu 9.10 Helps New Users
http://www.workswithu.com/2009/10/09/installer-slideshow-in-ubuntu-910-h...

Enjoy!