Reefbreeders (evergrow)lights are awesome. I have the value fixture (D120)and it works very well. I went from a 150 W MH to 55% power of a 120watt led. The power saving is a wash though as now my heater is on during lights on.
The standard layout of the fixtures they sell are awesome and you can also customize them however you like when ordering. Easy to solder in new LEDs also. I have been tinkering with it since I got it (July) to mimic the high end lights and it will grow anything I put under it. Def go slow on acclimation.. If you can borrow or have a par meter use it, it took me a few months to get up past 40% and I'm at 55% and I think I need to turn it down. The higher the corals get (green Slimer ) the lighter it gets LOL.
( edit didn't see the link you put. That's the one I have it's a great light, runs cool to the touch)
I plan on getting two of the phantoms controllable units for my 150 build and am loving the price point for what you get.. The controllers are awesome.. I have a friend who I convinced to get the 24" unit for his 60 gal cube. He hasn't set up the tank yet but I played with the light for a good hour last week and build quality looks to be impressive.
I'm sure you have already checked out the Chinese LED thread. That thread has all you want to know on the reefbreeders fixtures and tank shots.. You can't beat the price and quality you get. There was even a head to head against the radion.. I really like all the high end LEDs on the market I just don't see myself spending $900 to light a 24" area. They are awesome though.
