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I'm glad that you're looking for ways to save energy and willing to spend money to do it, but let me share the following comparison.
The incumbent in my light fixtures is the GE Energy Smart CFL:
13W
825lm (60W eqiv, they say)
63lm/W
$2
The EcoSmart LED is actually less efficient than a CFL:
9W
429lm
48lm/W
$18
I'm still waiting for an LED bulb with higher efficiency than a CFL. They're rumored to exist, but they're not for sale at any big box retailer that I've seen.
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