What do u guys prefer. For big ops I can see 1000 watters, but what about smaller grows. Watt/lumen, 600 watts are better, more efficient than 1000 watt lights. But I never see many 600 watters around. If u wanted to use 3000 watts for growing, would u get 3, 1000 watt lights, or 5, 600 watt...