Coffee Script has been around for a while now but I put off learning it because I didn’t want to add yet another layer of tools/languages into my already overflowing brain. But thankfully I’m on a project where we are using TypeScript and I think it will have a similar type of productivity impact that tools like ReSharper have.
I think I’m sold.
Get started with this great video from Anders Hejlsberg on Channel 9.
https://github.com/borisyankov/DefinitelyTyped (or on Nuget)
Scott Hanselman has a great post on TypeScript that you should checkout.