A spoonful of ... black rice?
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(Never heard of it.) 
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Here's the scoop:
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Black Rice 'Could Be Superfood'
The Herald
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Black rice - revered in ancient China but overlooked in the West - could be one of the greatest "superfoods", scientists revealed yesterday.
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The cereal is low in sugar but packed with healthy fibre and plant compounds that combat heart disease and cancer, say experts.
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In ancient China it was known as "Forbidden Rice" because only nobles were allowed to eat it. Today, black rice is mainly used in Asia for food decoration, noodles, sushi and deserts.
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Food scientist Dr Zhimin Xu said: "Just a spoonful of black rice bran contains more health-promoting anthocyanin antioxidants than are found in a spoonful of blueberries."
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(C) 2010 The Herald. via ProQuest Information and Learning Company All Rights Reserved

Cool!  I have never heard of it.  I wonder how it would zone out?  Especially if low sugar and high fiber, sounds like it may fit the bill for the Zone. 

RE:  black rice:
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I would want to know more about the additional nutritional value.
Because, I looked it up, and based on traditional USA minimum labels, which do not tell much, it is:
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Serving size 50 grams (~1.8 oz by wt)
Carbs:  41 grams  --  (Yowser! - I do not know how much by volume this is?)
Fiber:  0 grams
Sugars:  0 grams
Protein:  4 grams (but unuseable and therefore non-countable)
Fat:  0 grams
Cholesterol:  0 grams
Vitamins A, C, Calcium, & Iron:  0 %
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However, Minimum USA labeling requirements do not list any other INFO such as Polyphenols, anti-oxidants, ETC.
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Black Thai rice (same?) is $4.00 per pound at nutsonline dot com.

I'd say use it sparingly just as any other unfavorable carbohydrate.

John, I wonder if the nutritional information is correct?  Maybe not referring to the same thing?    The article suggests it is packed with fiber, but the nutritional info doesn't show any. 

Not that I am going to jump right up and start eating it, but it would be interesting to see where the article obtained its nutritional information?

Just because it carries the label of rice, doesn't mean it is all bad!