I personally like Michel Cluizel, a Paris-based Chocolatier, that has a store in NYC. They have a wide selection of artisen chocolates, truffles, and chocolate bars. I really like the single plantation items

The 70% dark bar is approximately $4.00.

Hope this helps.
Source(s):
http://www.chocolatmichelcluizel-na.com/

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Check out Theo Chocolate which I think Whole Foods sells http://www.theochocolate.com/
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The chocolate from this boutique shop in Paris is not only outstanding, it is worth every penny to have shipped across the pond.

http://www.lamaisonduchocolat.com/

You can order their chocolate with various amounts of Cocoa. From 56% to 100%, you're sure to find a ratio that your pallet will enjoy.

If you're a chocolate lover, you won't regret trying the chocolate from this store.
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Dove Dark Chocolate Bars - Cheap and best - 24 for $19!
http://www.jumbocandy.com/productDetail.aspx?pid=498
Source(s):
http://www.jumbocandy.com/productDetail.aspx?pid=498

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Hands down - Scharffenberger!!!!

I toured their chocolate making factory (small) in California while on vacation. They had incredible samples. I have always loved dark chocolate but due to the difference in their processing of cocoa beans, the chocolate doesn't have the acidity (I think that was their explanation) that most other brands have and as such it had the fullness of the dark chocolate flavor without the bitterness that you would typically associate with it.

This was the relevant statement I found on their website:

"We buy cacao beans from around the world and only use cacao beans that undergo thorough on-farm fermentation. The farmer ferments the cacao beans before packing and shipping them. This step is critical to flavor. This takes extra time and effort on the part of farmers and we are willing to pay more for taking these extra essential steps."

Their 82% cocoa doesn't taste too dark to me (I wouldn't enjoy 70% Lindt). I would also suggest their nibby bar which has small chunks of cocoa beans for a satisfying crunch (slightly similar to espresso beans) but this bar is only 62%.

They have stores in San Francisco and New York and you can buy a more limited selection of their chocolate at Williams Sonoma. I've also seen some at Trader Joe's.
Source(s):
www.scharffenberger.com
Factory Tour!

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My favorite is Extreme Dark Chocolate from Endagered Species Chocolate (http://www.chocolatebar.com/index.asp). It has 88% cocoa content, tastes great, and part of the proceeds support a good cause :)

I buy them from my local Fred Myer for around $3.00, but I know Whole Foods and other natural markets carry them as well.
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I really like the Lindt Excellence dark bars, in both 70% and 85% dark. I get them at World Market for about $3 for a bar.
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