Alibaba.com cheap chinese stuff is crap but you can always replace the burned-out LEDs. I grabbed a BlackStar500 clone for less than $300, shipped. It puts out about 360watts and is fairly nice. I tried a side-by-side of the BlackStar500 clone and a digi-600w HPS, both produced about the same everything except the buds from the LED were more dense.
I have started using the BS500 clone with indoor sativas and the 600-1000HPS with denser indicas, everything is perfect.
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LEDs are no joke....... Even the cheap Chinese shit which needs replaced LEDs for $5 each - every 6 months.