I advocate pure arabica coffee processed by a careful roaster. Starbucks tends to cook too far and too fast- it creates a consistent flavor to compensate for the variety of bean quality they have to use to sustain the mass.

I'm a big fan of Peet's,   (You need to Login or Register especially the Major Dickason's Blend and the Uzuri African Blend. It's expensive, but can often be found on sale. Caribou coffee's Mahogany blend is also quite good. At home I'm an advocate for Gene Hick's coffee   (You need to Login or Register he's local, a great guy and makes some damn fine coffee, I'm partial to Canoe Blend and the Signature Blend- though the Signature Blend does not seem to play well with chlorinated water.