The dimmer could definally have better precision, but I leave mine at a set %.
yeah, I am a little bummed over spending the money on that unit, but I won't be replacing it until I get to putting together an arduino unit to control it.
If you want to see some growth click my 30-C link in my sig. It's pretty amazing. It's one of their 12" fixtures with my own spectrum.
thanks, i'll check that out now