If you have an old house with dated electrical outlets, you know they weren't designed to meet the demands of today's appliances. They're also dangerous, because they're seldom grounded. It takes a licensed electrician about a day to install all-new grounded double outlets, and the peace of mind is worth the price.
For more on electrical, consider:
Radio: Extra Outlets
The Power Outage Survival Guide
Creative Outlets: 5 “Energy Smart” Options