I find Sumatras like this more complex in the lighter roasts than in the usual darker roasts they receive. The main reason is that many commercial roasters use color and surface texture as indicators of roast level. The peaberry has a different roast dynamic, and seems to be a more dense bean that the flats. (Sumatra is known as a fairly "soft" bean, overall). The Tarbarita has a complex aroma, with rustic sweetness, chocolate, honey-hickory, and savory herbal notes of lemon basil and a slight melon rind. There's sweet sarsaparilla and root beer scents in the wet aroma, caramel and butterscotch, darker malty scents, and pungent spice. The sweetness reminds me of chicory root and molasses, laced with clove and cinnamon. The body is lighter that the non-peaberry Blue Batak lot, the cup a bit brighter and more lively with a freshness to it, it feels like a great big green marble rolling around on the palate. The long finish has a nice cinnamon-laced tea note.