Should you upgrade your operating system? Computer users are faced with this question every time Microsoft, Apple, or one of the other operating-system developers releases a new version.
It's a crucial question. Answering "yes" could make productive new operating-system tools available to you, but it could create headaches if your existing programs or devices aren't compatible with it. Answering "no" could save you money and avoid hassles, but it could prevent you from upgrading your other programs.
The big buzz for Windows users these days is the upcoming r