It's worth a watch, but if you don't have 45 minutes I broke down the only part that matters. In fact... The info is cool, but they could have an edited version of the same video that's like 10 minutes long lol.
I run my T5's for 7 hours per day currently. I also have my fixture 10-11" off the water to help with light dispersion.
I don't really worry about par -- My Radion is at 100% intensity. If you move slowly, corals can take some serious par. Just a year ago 40% intensity was burning my SPS up, now I can throw on 100w of additional T5 and they don't mind a bit. I'm getting a growth spurt from my more stagnant corals to boot honestly.
Like you though with the tank and growing corals I prefer the t5s for getting the better light spill, I will just transition slowly over a few weeks as to not shock them
Thanks for the advice though just about to watch the brs video