Issue 1: Visual Effects 1: 3D Example.
Unfortantely the scene files for this tutorial have gone missing from the online storage site. I suggest either creating your own simple test scene or leaving this tutorial out and we will pick up on it again next year.
Issue 2: Visual Effects 1: Sculpt Deformers.
There has been a change in Maya 2012 which may cause some people problems when following the current tutorial. Please see the post listed below for more info.