Noise block terrain generation?

I've been wanting to create a voxel rts game with a terrain generator and I saw this video

http://www.youtube.com/watch?v=Y1vURbU4WdU

This looks amazing but also is probably really complicated but is there any good tutorials out there. What I mean by good is that It explains everything by also not just a basic tutorial but carrys on showing everything that can be done

Thanks