The Acaia Coffee Brewing Scale ($129) will help you brew the best cup of coffee imaginable over and over again. A good scale will help improve your coffee making more than anything else. The Acaia scale allows you to weigh your coffee and water to provide “precision & consistency” to your coffee brewing. It features accuracy to .1 grams, a built-in stopwatch, touch sensitive buttons, a rechargeable lithium-ion battery and beautiful styling. Although their Kickstarter project has ended, you can get product updates and availability from their website.