Quote Originally Posted by redtails
They won't, you can get the quality but not weight. HID lighting has far more lumens per watt and a much better range. I'd go with the 600 for your setup, sounds like a perfect fit (except maybe the height).
From what I understand a 600 gets about 18" of light penetration @ 18" distance from the bulb. So if I keep my plants under 30" or so I should have plenty room to optimize yields with that light.