Barely out of the gate, the iPad already boasts a grand collection of smart apps under its belt. So with over 2 million of these tablets already sold to date, we thought it was on point to give all these new applications a closer look and offer you the best bets on boosting your business and eco-factor all at once. Read on for our five finds that will help you streamline the way you work and make your company both leaner and greener.