Light bulbs are just as important as the lamps and fixtures you choose. Old-school incandescent bulbs emit the warm, yellowish light that most people prefer. However, incandescents are quickly becoming extinct as more energy efficient bulbs are hitting the market. LEDs are the latest innovation in efficiency and variety—they use a fraction of the energy and can last for years. The best part is that they don’t have fluorescent look of earlier energy efficient bulbs. It pays to do a little research. CNET has a great light bulb buying guide.