I don't know anything about Doc's Kit but I know he up-cans and flips which I don't understand. I thought we have learned that most root growth happens in veg, and in flower the plant shows more topside growth. If that Haze were mine I'd give it at least 2-3 weeks to stretch out those roots before I flipped it. Quad shape looks great. I'm looking forward to hearing from Ase on the number of tops as I just started my Peyote Critical quad this weekend. My last one was a male
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The Chem and the DDa look happy, but can't help you with the GSCa. You need a brix grower to chime in on that one.