question about lighting for a 30" tank!?

im making an aio 30 gallon tank, 36x12x16, and the display area will be 30 inches long. i have a 24 inch wavepoint t5 light with 4 bulbs. i am wanting to make it mainly a sps and clam tank, would this light do the trick or should i just get a metal halide fixture such as a k2 viper or something like that?
 
T5 fixture will work go with good bulbs either kz or ati bulbs
 
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