I bought one about 2 months ago (36" 2 bulb 120 watts). They are very bright and strong. But I had problems with green algae water alot.
SO I just sold it, in return I went to homedepot and bought a 48" dual fluorescent electronic light. (Not bad for $18.00) Water is nice, plants are growing.. everything is just great.
I wouldnt say Compact Fluorescent lighting systems is bad, but it wasnt for me.
If you grow lots of plants, it should be pretty good.