http://www.macosxhints.com/If you want to find the path to an application, open the terminal (found in Applications) then drag and drop an application into the terminal. It will show the path. You can also call up a calender by typing cal (hit return) at the prompt. Try typing the word top (hit return) to see what is running on your computer. Hit q to stop it. clear will clear the old commands away.
Get Desktop Manager.
http://desktopmanager.berlios.de/ It gives you virtual desktops. You can then set it to do neat things in transition to a different desktop. At the bottom of the page they have some video of the effects.
http://desktopmanager.berlios.de/screenshots.php