I built an "introduction to sage" web site today so I can point students to it when fall term starts. If you are curious at all, it is here:
Anyway, the last page should be a list of available help videos. I have already included a few (by William Stein) that I think brand new users will find helpful. Now it is time to make a list of other topics needed and fill them in.
Anybody have ideas to share about what would be important? My first intended audience is undergraduate students with no experience whatever.