I found the video collection amazing. Lots of tutorials, more than you're probably able to watch (in a reasonable amount of time). I picked out some I'm interested most, under which so far I watched the session about CoffeeScript by Gregg Pollack. You can find more infos about that session below.
So, when is it worth to get this compilation. If you're a web developer that loves to use the newest available technologies or if you'd like to get started with them, then these sessions are for definitely you .
A Sip of CoffeeScript (Gregg Pollack)
I always wanted to learn CoffeeScript because recently I heard a lot of people talking about it at conferences. But as often, I just didn't find the time. As I saw Gregg Pollack's session in this video compilation I decided to walk through them. Gregg (from Codeschool.com