From Lifehacker.com:
For something that you look at every day of your working life, your computer desktop doesn't get as much attention as it deserves. That's too bad, considering that the desktop can do a lot more than display wallpaper and hold shortcut icons. From widgets to workflows, from calendars to computer stats and beyond, you can do a whole lot on your desktop without manually starting up a single program. Hit the jump for our top 10 list of applications and tweaks that make your desktop a truly useful place to land.
See the List
Related Reading:
Joomla! For Dummies (For Dummies (Computer/Tech))
Beginning Joomla! (Beginning from Novice to Professional)
QuickBooks 2011 For Dummies