Shedding a little light on the lightbulb revolution?

From the European Union to Walmart - many of the largest economic forces in the world are pushing for a switch from the standard traditional incandescent light bulb to other designed - fluorescent, LED, etc. 

While there are certainly attractive features to these new technologies - in one dimension or another of "green-ness" - one question that has not been widely addressed is:  Is the light these new sources provide as good, as effective, as useful?

Check out this brief review offered by a reporter from the BBC.