Thanks. It's the best light that I've ever used (ATI dimmable t4 4x24). It's literally amazing how awesome it is.
t4's are pretty cool. I picked up a couple of those single t4 fixtures to play with a while back. Never seen them dimmable before, though. My next toy is going to be http://www.aquaticlife.com/products/3544 Saw it at Global Pet Expo and it's pretty epic.