Just wanted to sub quick - I'm more of a hydro guy, so not sure on your 'when to transplant' question. Ill let someone more qualified weigh in on that one. I like your strains and setup. I've not grown either, but have grown multiple plants with NL or Mazar parents. 2 classics you've got there!
Have you considered or is there a way to get your filter up top to give you more space down low? I like to have my cool intake down low, and filter up high opposite corner. Cool air is pulled through the tent, across the plant(s) to the filter and out. This has just been what's worked best for me in terms of keeping cool and maximizing grow space. Not meaning to be critical of your setup - just wanted to give you food for thought.
+ rep for your good start so far, and for luck going forward.
Oh, one other thought - if you still have the DIY box you made, I much prefer early vegging with fluorescents over MH. It took me a while to figure that one out, but a lot of people prefer early veg with flouros -- they work really well, and aren't as harsh to young seedlings. Would also help you get something started while you are waiting for flowering plants to finish... Otherwise, HPS works just fine for veg, too. Keep rockin' it, you are doing great.