In my opinion, if you are a casual grower (herbs for the head) one of these lights will work perfect for you...This is like the 5th case of people turning in their 1000watter for one of these lights...But I like many had to see it to believe it and make the investment...the t5 with the HPS sounds tempting, but then i think about my electric bill...but to be honest with you even if I didnt have to deal with electricty I think I would stick with the regular version because of the almost NO heat facto....Smoke On Brothers!!