i would look at the Mitras as far as commercial fixtures go. As far as cheaper ones i would check out Evergrow or one of the black box style Chineese units if you are looking to save money.
There is a thread here with some talk of the Evergrow units and a couple places to get them (1 is a canadian reseller or direct from factory).
Or if you are looking for Mitras/Radion/ect.. just look at almost any of the sponsors to get one (i would drop the vertex personally i think they are very overpriced for what you get).
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Nick
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