The videos explaining borders, gradients, typography, animation, media queries, backgrounds, selectors, and typography are all free to view.

Lots of good stuff here IMO.

You have to scroll down to see them. It wasn't obvious at first.

I still only see the intro as free

Duh, i can see it a little lower... was just being an idiot

http://membership.thinkvitamin.com/library/css3#borders