I found http://www.amaxit.com/ and two things struck me as very good about their site:

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Their specs are very detailed, down to drive brand, raid model number, etc.
Their prices are very reasonable and yet it's clear they are not "too low."
They also appear to use quality parts and manufacturers.
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Has anybody ever purchased from them? Their site seems high on specs which is always a plus in my book but a good review is worth a lot more.

Thanks,
David U.