One thing that I think tutorial writers should do is try to remember how they learned. I mean - if you surveyed a million tutorial writers about how they learned their skills, I doubt a high percentage would tell us they learned through tutorials
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IMHO I think a straight-through tutorial would be best, like taking 1 entity from idea to complete integration. Like a soldier tutorial, go through preparing concept art to modelling the mesh - but go all the way through UV mapping, texturing, rigging and animation. Perhaps even have 2 mini-tutorials for guns too, a handgun and a rifle, which would be supplied with the soldier tut so anyone who works through the tut and feels brave can continue learning usefull stuff.
The thing is that once someone has taken a model all the way to where it needs to be, the easier it is to do it again with whatever other model you need - even just the most basic confidence can be enough to get the . It seems to me that too often the user is dumped right before the twiddly pixel work comes into play just because a lot of modellers can't texture or UV or whatever. That's a lot of work, like probably a good 50 pages, but certainly a more saleable product.
Van-B
Put those fiery biscuits away!