Is "Lumen per Watt" a better way to examine LED's vs. other lights?

Check out this very interesting article from Building Green that looks at the current LED market: http://greenspec.buildinggreen.com/content/beat-bulb-ban-led-replacement-lamps-new-light

Check out this very interesting article from Building Green that looks at the current LED market: https://twitter.com/about/resources/buttons#tweet