Here's a great site, at EnvironmentalDefense.org, for finding the right kind of CFL (compact fluorescent lamp) to replace any light bulb in your home.
About the only drawback is that they don't list CRI.
CRI (Color Rendering Index) is a very important part of selecting a fluorescent bulb.
If you have ever looked in the mirror under fluorescent light and seen a ghastly green or yellow apparition, only to realize that its YOU! You know you need to know about CRI.
You NEVER want to use bulbs with less than 80% CRI in your home unless it is in an area where you won't be seen or be looking at anything that needs to display its true colors; as close as possible to how it would appear under sunlight.
Ideally we would use only bulbs with over 90% CRI because they show colors truer that 80%+ bulbs, but cost and availability are also factors.
So always take the extra step in your research for the light bulbs you need to help save the environment one bulb at a time, and look on the label, or the manufacturer's web site, for the CRI and buy the highest you can afford.
Your eyes and your family will thank you for it.