i think for my new 55 gallon i will construct a canopy. in the canopy i will put a VHO retrofit, here is the link:
Aquadirect :: Lighting :: VHO Fluorescent :: ARO VHO Retros :: ARO 48" 4 Lamp VHO Retro Kit
it has a total of 440 watts it says, it has 4 lamps, and a ballast, all i have to do...