It's easy to forget that computers depend on a reliable, steady source of electric power. Power isn't sexy. PC enthusiasts talk for hours about the latest processor or video card, but seldom give a thought to such boring issues as power supplies and power protection. Experts, on the other hand, recognize that reliable power is the foundation of a reliable computer. If you take a peek at experts' computer rooms, you'll find that all of their systems have top-notch, high-capacity power supplies, backed up by industrial-strength power protection. If your computer and data are important to you, you would do well to emulate them.