Mini usb monitor - if you need extra space in addition to what you have on your screen one of these mini Mimo monitor could be for you.
The Mimo series consists of 4 models, are small screen sizes starting at 7 ", you will support for the main screen. You can see the control panels of games or programs, spreadsheets, e-mail and everything else you need.
They are simple to use, in fact, work with a simple USB connection and do not require a video card powerful, as it requires the use of a dual-monitor.
The presence of four further models makes them adaptable to various needs and budget, in fact, the prices vary from 139.99 to 229.99 Dollars.
The original version is called Imo, a fixed screen with vertical black frame made in two versions, base or with touchscreen functionality. Otherwise there is the 710-S version which is more compact (and often half IMO), adjustable both horizontally and vertically, and has a stand that serves as a screen protector when you wear it around. This version is available in version with a touchscreen.
Mini usb monitor, the Mimo is compatible with both Windows and Mac, the only trick is that the touch screen models require additional drivers on the Mac that cause a charge of no less than 30 dollars.
Find them on thinkgeek.com