There is an interesting talk on Papervision at the Blender conference:
Some links to free 3D models, that are compatible (.blend file, or can be imported) with Blender:
I came accross some more Blender 3D tutorials, that I thought were pretty good for beginners (they show pretty well how to use the interface):
Also, here are some more Blender video tutorial links:
If you're interested in learning 3D, specifically Blender, I came across this set of Tutorials that's formatted in a "class" kind of way:
It has videos broken down into different functions and tasks, so it makes it easier to find a specific thing that you're trying to figure out how to do. Seems like a good place to start learning Blender, and even has some "intermediate" stuff too.
Ever wonder how to make it look like a 3D object is moving in relation to a moving camera? For the effect I'm talking about, have a look at this:
The car on the left is created in Blender, the car on the right is real.