Found this floating around the web & thought I'd share, they have a very interesting UI it's rather different.
A home app replacement with an easy-to-use interface that delivers previews of social network updates as well as phone services data. Pick a service, such as Facebook or Twitter, to see recent updates. Choose Call History or Contacts to call someone. Use the app launcher cube to quickly find any installed app and launch it.
Based around a single circle of icons, you can control every aspect of your phone with a single screen. Two to be exact The second of which is the screen that holds all your applications in a very slick cube design.
Latest version: 1.0.01 (for Android version 2.1 and higher)
PLEASE NOTE: I am not the developer of this app I'm just sharing.