Just installed my first compact fluorescent light bulb.

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In addition to the frequently strange color temperatures of CFLs, their poor color rendition indexes, their mercury and other heavy metal content, and their un-dimmability (at least not without special CFL types and/or very expensive dimmers), it has now been determined that, at least in colder climates, the energy savings aren't near what they appear to be:

http://www.cbc.ca/canada/manitoba/story/...bulbs.html