said it a bunch in this thread before but LED's for sure do work and work well but they are not a miracle light given from the ganja gods to make growing 100% more easy with 100% more yields , they are just new technology that target better spectrums of light for optimal plant growth while eliminating the need for excessive amounts of equipment to keep them cool as the are self contained self cooling units. when people ask me what waatage my leds compare to in hps i usually say that i dont know exactly but nor do i really care , if leds produce better than hps great! if they produce a bit less no worries! cause i didnt have to buy all the crap that comes along with hps growing and i have heard people say on many occaisions they find leds produce finer more high quality buds ...... and isnt that why we are doing this in the first place? it all comes down to whats gonna work best for each persons setup and wants/needs , so whatever works best for you and makes you happy is what you should use someone trys to tell ya different, fuck em.