get a fixture with individual reflectors. that aqua medic does not have them. the one drhank linked will work. i like the sunlinght supply fixtures. here is a link to one. call and ask greg if you can get it with new tek 2 reflectors.
http://www.reefgeek.com/lighting/T5_...unlight_Supply for sure get a fixture with individual reflectors, you can always take a reflector off if the light is too much. its much harder to add reflectors.