After an exhaustive web search, not much information on my particular situation. I'm running a 4x4 with a 600w. I'm upgrading this week. Question is, 1 1000w, 2 600s, or 1 1000 and a 600. Temps aren't a problem. Lady's are about 2ft tall in coco and 3.5 gal pots. Keep in mind we aren't growing...