Thank you for your reply.
I have a friend who currently runs 1 ES300v3 and one ES180V2 with really good results. And as i mentioned, people are praising them to high heavens with testimonials such as massive increase in bud size and THC content compared to even HLG 650R, which was initially drew me towards them. All reviews and tests i have seen also seems to be of the same opinion, but i would love to get some more real life opinions from people who are more experienced than me, and probably knows a lot more about this than i do.
Below is the info on the Mars-Hydro EU page regarding their FC-6500
Electric Sky does not have much info on their parts besides stating it is a patent pending solution with top binned diodes, but below is the info i have managed to get regarding them: