fee. I use K-cups at work because we have no facility for rinsing/cleaning/getting water for a regular machine.<br /><br />Sumatran coffees generally have a very rich, earthy taste; some would describe it as being ""tangy"" almost. Having tried the two other main brands of Sumatran for K-cups, the Puck is by far the best. It is not as bold as something you would get from Starbucks or from roasting yourself, but it has all the flavor elements of a good Sumatran cup. It especially has that nice ea