PV3D和Away3D入门好教程
http://www.hcxmflash.cn/blog/?p=1253

http://papervision2.com/tutorial-list/
例子丰富，讲解清楚，新手入门好帮手。

快速入口：
Away 3D Tutorials:

Basic Texturing with Away3D http://www.flash-3d.net/2010/11/basic-texturing-with-away3d/
A Simple Away3D Coverflow http://www.flash-3d.net/2010/11/a-simple-away3d-coverflow/
A Simple Away3D Carousel http://www.flash-3d.net/2010/11/a-simple-away3d-carousel/
Loading Complex Models with Away3D http://www.flash-3d.net/2010/11/loading-complex-models-with-away3d/

api文档
http://away3d.com/documentation