Absolutely incredible lights. All for coverage, growth and color. Definitely checks all the proper marks for growing coral, especially so in a lagoon style system where esthetics mean a heck of alot.
Radions Definitely provide as well. Just a bit more focused in the area where the light is under. One can make up with the use of other types of lighting.
The only downside to the ati lights is the over the tank photography. They make it nearly impossible both to view from top down and any sort of camera content.
Downside to radions is the occasional program going wacky which is indeed deadly. And the need to use mutiple units to get coverage, which can be addressed using supplemental lighting.
If I had to choose, in my circumstances, the radions. The programming is up my Ally in how i do things so. But the ATIs are absolutely wonderful lights.