it seems that i didnt make myself clear on this. i have a few grows under my belt. both indoor and out. have used both hid's and cfl's. vance you are on target with what im looking for in an answer . it has been about 20 years since i used an hid system. at that time i had 400 watt mh and and hps sun circle. in those days the ballast didnt last very long. thus the reason i was looking at the 1 with magnetic ballast with life time warranty. i have no experience with digatle ballast. only what i have read on this board . with what vance fish brought to the light about blowing bulbs. i think that reliability out ways versatility and 30 % more light and longer bulb life and all the other hype that goes with the digital 1. anyone ells got any in put on this subject?