Modeling is great if you love to type. Rendering is great, nothing like a good ray trace. As far as I know it runs on everything. Interface is very hard to figure out. Modeling is okay.
Animation is hard.
Rendering is pretty good. Runs on Powermacs only. Big file to download. Vision 3d I couldn't find an url for it, but I'm pretty sure it's on the net somewhere. This programs is basically one step below a pretty good commercial program.