Here's a simple but handy automation technique. The iVac Automated Vacuum Switch is a specialized power strip that automatically turns on multiple outlets when one of the devices is turned on. It's designed for use with power tools, where you can have a sawdust vacuum automatically turn on when you activate the jigsaw, for example. But it works with many different types of electrical appliances so you could, for example, have a lamp turn on whenever a space heater is in use. See the Cool Tools: iVac Automated Vacuum Switch write-up for more info and other examples.