Yes, CB, many people think the current wave of switching to CFLs before long will be replaced by another switch to LEDs. LEDs are quite efficient, pose less of a disposal issue (so I'm told -- haven't researched it myself), last long and reputedly give better light. Even though they make economic sense if you do the calculation of cost over duration, most consumers don't do the math. So it'll probably take a further drop in price before they really take off -- just as it did for CFLs. I first started seeing them spread in Brazil in the early 1990s, but it took until the last two years before CFLs really took off in the rest of the hemisphere...
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