@jocose: Thanks for the input! Totally- I'm really looking forward to how robust this can get. For example, someday I'd like for people to create lesson plans that they can link back to and post on blogs or forums. I.E. Someone asks "How do I get better at modeling" then you can reply with "Do these tutorials I've picked…
Since you are looking to build a robust tutorial database, it might be nice to have your normal tag cloud style navigation but also offer linear paths people can follow that consist of several tutorials that relate to one another. If you come to the site looking for something specific, like how to edit camera settings in…