A couple of days ago stared really interesting course on Udacity:
Interactive 3D Graphics and I really enjoyed first videos.
In my opinion event this first videos looks better than HTML5 Games course I mentioned earlier and I have really high expectations about it!
Whats awesome about it is that all of course content is done in WebGL and Three.js so at the same time you can learn both ideas behind it and see it in your browser!
I had idea about learning WebGL this year and this course looks like designed for me :)
You can watch teaser below: