Rather than succumb to sale psychosis, sharp shoppers use a keen eye to scout sales. The goal is to hunt for discounted pieces that don’t scream “summer 2010″ in order to get the most bang for your dollar. The great thing about denim is it’s always in style. Here are some pieces that are worth adding to your wardrobe to wear now, into the fall and again next summer. But hurry, sale items go fast!