Blueberries aren't just my favorite berries to bake with (see: last bite, blueberry pie), they're my favorite fruit, period. I'll down an entire pint before I get out of arm's reach of the refrigerator. In the summer I bring them to the movies and snack on them like popcorn. So it is with some serious enthusiasm that I embrace any recipe with the words "blueberries" and "overload" in such close proximity.
Of course, I like the words "coffee" and "cake" together too, which means that this recipe pretty much has it all. My advice? Make a pan on Saturday afternoon and eat hunks all weekend.