The tyranny of the shrieking kettle on the stove is over. Electric kettles are here, and they’re just so easy to use. Everything from coffee, to tea, to ramen is just the flick of a switch away. But there’s actually a lot of variation within this device category. You’ve got high-end rigs striving for the pinnacle of precision, and you’ve got simple water boilers. Which is right for you? Here are a few thoughts that can help.