Touchpads are fine for web-surfing and some report-writing - but when you need to do more serious stuff on your laptop, nothing beats a mouse.

Unfortunately, bringing one along means extra weight and bulk. Microsoft's Arc Mouse manages to cut down on the flab by using a novel folding design, but at what cost? Read on to find out...

Specifications/Requirements

Windows Requirements
  • Operating System: Windows Vistaยฎ/Windows XP
  • Hard Drive: 100 MB
Mac Requirements

  • Operating System: Mac OS X v10.2โ€“10.5
  • Hard Drive: 30MB
General Requirements 
  • 2 AAA alkaline batteries required (included)
  • USB port
For Windows, Flip 3D requires a PC running Windows Aeroยฎ. If you are using Macintosh OS X v10.3 or higher, the Flip 3D/Instant Viewer button will start Exposรฉ for Mac. If you are using Macintosh OS X, the Magnifier enlarges text and images on the entire screen.