This is one of the best things to do with your computer if you have a little money and wish to add a little more productivity to your computer.

Two monitors are better than one 

You can never have enough screen space. Instead of buying a larger monitor, if you’re using Windows XP, you can buy an inexpensive second monitor and connect it to your computer—instantly doubling your desktop space. Learn how to connect and use two monitors with your desktop or notebook PC.