In this category, the coffees you'll see most often in the supermarket are labeled "French" or "Italian." Generally, French tastes smokiest, because it's roasted long enough for the oil in the beans to erupt and cover them.

Illy Dark Roasted Espresso Coffee, Ground, $12 for 8.8 ounces
Although this Italian roast comes ground for an espresso maker, its rich aroma and well-balanced taste make it a standout even when drip-brewed.