I have always appreciated a good cup of coffee. While there are tons of places that supposedly specialize in making a good cup, I have found that most of the places are just barking in the wind. That has in turn made me take to buying the coffee and grinding it myself.
While most people are happy with the MJB or some other form of canned coffee from the store, I appreciate a bit more flavor in my coffee. Especially a bold or extra bold coffee. This is why I normally will turn to Seattle's Best, Tully's, or Starbucks for my beans or Peets when it can be come by. But they only do the trick half way.
The one coffee that I have enjoyed the most outside of Kauai is the coffee from the Gold Coast Coffee Company in Kailua-Kona Hawaii. For anyone who has visited the Big Island, this is a no brainer. The Coffee Samurai (http://www.countrysamurai.com/) is owned and operated by a third generation Japanese descendant and has by far the best coffee there is.
I don't normally endorse too many things but this place has coffee that will not only fill the air with an aroma that is absolutely distinct, the brewed coffee is a different flavor from anything you have ever had before.
If you are going to the Big Island anytime soon, be sure and pick some up or you can order online from their web site. It is definitely well worth the price.