I bought few LED lights last year to try our in our house and technology still has some catching up to do before they can be adopted for day to day use. As carsensejoe had mentioned, the lights produced are like laser (or spotlight) and in our recessed lighting fixture, we only get lights right below the bulbs. Lights do not disperse and as result, rest of the room is still dark. We had to mix LEDs with CFLs to get enough brighness. Another problem is that lights given off are very harsh and cold. People complain about harsh output of some CFLs. We have had CFLs for past 12 years and even earlier generation of CFLs were better than LED light output in terms of warmth. Also, at $50 a piece, they are very expensive, regardless of how long they are supposed to last.
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