A strong, well-defined chest and a solid set of shoulders are integral parts of an aesthetic upper body. However, many guys tend to blow out their chests and then hit their shoulders with lackluster effort. Make sure you smash your shoulders with as much ferocity as you apply to your chest. Big, round shoulder caps are a telltale sign that you know what you're doing in the gym.
Today calls for supersets, so check the technique page if you need a refresher. You should have this technique down cold, but a little review never hurts.