Ubuntu’s next OS release of Hardy Heron will not have a fresh new look. The new theme will have to wait until October of this year! Here is what Kenneth Wimer says:

“Many of the basic questions have now been answered and we can begin to move forward in earnest – remember though, we are not going to change the theme for Hardy radically as it is the last of the LTS cycle (stated in previous mails, launchpad blueprints, irc, etc).”

Many theme concepts can be found in the Ubuntu Artwork wiki. Below is one of the many that have been popular, Gelatin: