Your plants are looking good. I'm in week 7 of flowering on my Diablo OG with a 600 HPS but I have a 48" 8 bulb T5 that I'm going to set up in a 2x4x6 tent. Seeing journals like yours make me anxious to set up my T5's. I can't wait to see your girls fill up your space.
Keep up the good work.