In addition to Apple and its products, iLounge's editors have a passion for cocktails. We've covered some of our favorite iPad and iPhone recipe apps before, but there's never been hardware designed to help make great cocktails. Brookstone's Perfect Drink ($70) is the first. The system consists of a free app and a digital scale that connects to iOS devices using a standard 3.5mm cable. That app contains recipes for more than 300 cocktails, and walks…