Interesting quick little article with some facts about the phase-out of incandescent light.
http://www.interiordesign.net/articles/detail/35898-10-things-you-need-to-know-about-the-incandescent-phaseout/
http://www.interiordesign.net/articles/detail/35898-10-things-you-need-to-know-about-the-incandescent-phaseout/