If you've not yet experienced a multi-screen computing environment you don't know what your missing. It's what helps us stay organized and and quick to help our clients.
Dual or triple side by side monitors GREATLY increase the real estate for your programs and allow you to view much more information at once without having to flip from window to window. This increases effeciency also.
Here's a sample of a dual screen layout:
Dual Screen Layout
Give us a shout if you'd like to try it on your workstation 🙂