After months of prelaunch publicity, Microsoft Corp. last week unveiled its Windows XP Tablet PC Edition operating system, which lets notebook users work with a digital pen instead of a keyboard.

A decent portable monitor costs anywhere from $100 to $200—more if you want touchscreen support. So if you already have an old tablet lying around, why not turn it into a portable monitor instead? A ...

After decades of working with computers, I started to develop some wrist and arm pain a few year ago. So I switched from using whatever random mouse I could find for under $20 to using input devices ...