Sounds like a killer setup. I don't know anything about cmh lighting but they seem to be very effective and nearly as efficient as COB LEDs. I checked out the site you listed and couldn't find any citizen leds listed. I've narrowed it down to either the Go Green led (citizen) or a Timber led...
Google "Off the shelf retail store screw-in LED and CFL bulb comparisons". Some great info and pictures in that thread. It's pretty amazing the results possible with these screw in led bulbs. Much more efficient than cfls. Not to mention half the light emitted by a cfl is going in the wrong...
There is a very lengthy thread on another forum devoted to these led bulbs. It even compares output with and without the diffuser. The diffuser does reduce the output of the bulbs.