Depends, what are you planning on keeping ? What is the depth of your tank (and future)?For right now it sounds like over kill. I think 250's would be a better choice and a lot less power consumption. I seem to be getting big on power consumption lately  Good deals always come up for stuff if your looking. I shut up now until more info 
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Mike
150g reef, 55g sump, T5's, Vertech 200A, Profilux III - German made is highly over rated, should just say Gerpan made.
Reefkeeper - individual obsessed with placing disturbing amounts of electricity and seawater in close proximity for the purpose of maintaining live coral reef organisms.
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