When visitors to my home office see the two large monitors on my desktop, and see the mouse travel seamlessly from one to the other, they are usually amazed to learn that support for multiple monitors is built into Windows. All you need is multiple outputs from your video card, or multiple video cards. To learn more, read Ask Leo’s How Do I Set up a System with More than One Screen?.
Surfnetkids » Tech Tips » Microsoft and Windows » How to Set Up Multiple Monitors
Roger W Hancock, PoetPatriot.com says
Dual Monitors has been a great asset for my research. My sons had set them up for me after each of them had been using dual monitors for some time.
I often have many applications and websites up at the same time and it is helpful to have as much viewing as possible.
Dual monitors are most useful when I work on my TimeLines of Liberty. Research on one monitor and collect and rewrite on the other.