SlickPanel provide a robust, and quick desktop panel and Make it easy to customise and extend, rather than hide options and it Uses modern technologies rather than be backwards-compatible.
To install SlickPanel on ubuntu 11.10
1.Open Terminal.To open terminal click the Dash home from unity launcher.And type terminal in the search field. And click Terminal.
2.Type the below code in terminal and hit enter.
sudo add-apt-repository ppa:and471/slickpanel-daily
Type your ubuntu password if needed and press enter.
3.Then press enter to continue or ctrl-c to cancel adding the ppa.
4.Type below command and hit enter
sudo apt-get update
5.Then type below command and press enter
sudo apt-get install slickpanel