I recently upgraded to OS X 10.5 and love it but for one thing, I never could tell when a window was open without careful scrutiny of the dock. Then I read about Leopard Docks. With this free software you can change your dock to any one that is available. First download the LeopardDocs App and place it in your applications folder. Download as many of the available docks as you wish and place them in the utilities folder. When you want to change the dock simply choose the one you want and click "change my dock" as many times as desired. The one I use allows me to see at a glance if a window...read full review »