Sounds good. As someone else had commented earlier,make sure you have decent levels of nitrogen right now as they really need it in the stretch. Besides, that's what scottyballs did. scottyballs did it, hey did you see scottyball's grow? LOL
Next go around I'm going to increase the amount of grow ferts the week before and the first week of the stretch. Not a whole lot as they didn't show any signs of deficiency but some of my top growth looks a little pale. The trainwrecks jsut don't seem to like to be close to the lights but at this point, I don't really care a whole lot as they are still budding up really nice.
Important question..how much more room above the screen do you have to let them grow? I stopped training at day 9 of flower and at day 16, all the stems are maybe 6 inches above the screen. If I had to do it over, I would have let them go a little earlier to get at least a foot above the screen during flower formation. I have allot of flowers forming on the curved portions of the branches right at screen level. Not sure if the flowers will keep forming up the stem to make one large cola or if the flowers keep growing on the end of the stem...i.e. they get bigger only as they grow taller. My point, make sure you stop training in time to get them above the screen.
In terms of fans, I would mount the clip on fans to blow up through the bottom of the plants after they have stopped the stretch and you trim away the stuff under the screen. I have two large fans blowing my canopy pretty well but the main reason is that I'm using Co2 and I want to ensure good gas exchange at the leaf surface. (a small boundary layer of air develops around the surface of the leaf where Co2 levels will be lower than ambient if you don't exchange the air with "fresh" co2 laden air).