I want to use reflectors - I think they really concentrate the energy - so I go with three 125's in a 2 x 3 x 6 closet. This is my first grow with this setup though so Ill let you know how it goes. The main reason I use cfl is to minimize heat.

Ive seen amazing grows here with just a bunch of smaller cfl's so I know you can do that too and get great results.