ryshark
Aquarium Advice Addict
Those kits dont allow any dimming of the leds. Its better to buy everything separately and get dimmable drivers.
Those heatsinks may have the leds spaced too far apart if optics are to be used.
I use meanwell dimmable drivers (more $$$ but much easier to use and connect).
Matt
Isn't that what the third link is? 24 Ultra Premium LED DIY Kit with Dimmable Drivers
They sell heatsinks with no holes too, so I could drill wherever, if thats the way I decided http://www.rapidled.com/servlet/the-72/5.9"-x-9"-Aluminum/Detail etc, lots of sizes