Whether investment in these "long-lived" (so the full-bodied advertising) have parts worth wirlich, you always know until much later usually. In my estimation, that's ok with the power consumption compared to the light output. But if I did as a consumer a bargain compared to the old bulb in the final, I know only after the successful lived hours a LED bulb. So, we wait for the full-bodied predictions times from very reserved and tense. Maybe you can meet out the middle - or so ...