The bananas make the bread extremely moist and lightly sweet, and the blueberries add a fruity surprise to every other bite. If you like bananas and blueberries, I think you'll love them together.
Use peaches that aren't superripe for this recipe so they'll hold their shape when cooked. The baking dish will be brimming with fruit and topping, so it's a good idea to place it on a foil-lined baking sheet before putting it in the oven.