Aroma: Clearly bourbon over... it's hard to smell anything else. It's not over powering, it's simply clearly bourbon.
Taste: Bourbon isn't complicated and stout is thin. Slightly over carbonated. Doesn't help.
Look: Looks fine. Dark stout with 1/4" brown translucence. Clear lace over edge. It's easy to drink, but it's thin and doesn't feel like it merits a being in a bomber.