not sure why LED users would be trying to "compete" with HPS... HPS is better for larger spaces as it creates more heat. we run HPS, but if we were in a closet space and had extra budget money, we'd totally run LED over CFLCFL's cost more then half then the LED lights..
Most LED lights are trying to compete with the HPS, and they cost just as much if not more.
2 pounds off a 345w LED? Give me a link that sounds WAYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY too good to be true. Over 2.5 grams per watt? Irishboy did great with some great LED panels but I've never heard of anyone getting 2.5 grams per watt with any kind of lighting.Well for tight spaced LED is the key theres a grow on thc farmer where a guy using a single 345 penetrator by hygroled pulled just shy of 2 pounds of weed off 345watts of led that is just incredible also look up irishboy on here hes doing the same with some ISIS120w panels LED's are definitely the way to go if you have the money.... but there getting cheaper soon HPS will be a thing of the past....
watt for watt HPS and MH are no longer superior to LED there are lights out there that grow better nowIn my experience, LEDs have way more intensity than CFLs, but they are expensive. For the same money, you could get HPS, and that works better than CFL and LED.