Here's a few videos that display skills and classes in more detail. Credit to Mostly Harmless:

http://www.youtube.com/watch?v=3oWtrvte4Zo

http://www.youtube.com/watch?v=vvWxS50h2Ic

And a nice review from Atropos of Tamriel Foundry, along with a forum Q&A in the comments:

http://tamrielfoundry.com/2014/02/opening-eso-impressions-qa/

All of this is for Levels 1-15 only currently and has been cleared for the public by ZOS.

Ohh nice, something to chew on. I was starting to go crazy staring at forum posts hoping the game would come out now. Yes, it is quite a fantasy.

//edit pipe dreams boy, pipe dreams

It's nice that they seem to be loosening their grip on the details. Just makes the wait harder.