Over on Ruby Inside I’ve just written about the latest Rails 3.1 storm in a teacup. Yeah, Rails 3.1 is bringing CoffeeScript, Sass, and jQuery into the fold. Luckily, Jason Seifer has released DoIHaveToUseCoffeeScriptInRails.com to clear things up for us. On a more serious note, though, if you’re new to CoffeeScript, this presentation should do a great job of selling it to you.