That's a nice finish for a rough little seed SOG. The purple stretchy one definitely earned the show-stopper label, but I wouldn't sleep on the standard pheno either. That squat chunky structure is the one I'd want more of if you run it again.
Leaf damage looks like the 2 gal root zone running out of buffer late, more than some clean single deficiency. Those small cloth pots can dry hard and concentrate salts, then when you feed again the plant looks hungry and locked out at the same time. Pretty common at the end with a plant that has filled the pot.
For the next SOG I'd either run clones off the best pheno, or top the seed plants early once they are established and let them recover a bit before flip. Seeds will always give you that uneven canopy unless you train them a little.
Don't rush the dry on those. They look dense enough that a slow steady dry is going to matter more than anything you did in the last week. Nice save on the little weirdo too, she turned out better than half the ones that started normal.