I'm looking at almost the same thing. Except I'm trying to decide between going 3x600w or 2x1000w for the same money. But I am working in an 8x4x6.5 tent.
600w vs 1000w pros and cons.
1) 3x600 has better light coverage and can be closer to the plants.
2) 2X1000w has 300,000 lumen...