Growing corals or not growing corals, the expensive Radion isn't any better at doing either than most of the inexpensive Chinese fixtures. It just has more bells and whistles.
A MarsAqua fixture will grow coral in your tank for under $90, an OceanRevive T247 can do it for $175, the Radion XR15 will do it for $300+. Oh, and 1 MA or 1 OR fixture is enough... you may need 2 Radions!
Does the Radion grow coral any better? No. But it has more buttons and programs for the reefer to play with. It's like the difference between a Toyota Camry and a BMW. They both can get you where you want to go and do it safely and efficiently. But the BMW has lots more bells and whistles.:lolspin: