You might not be able to fool a Mac this way, but using Windows Explorer you should be able to copy a VOB from the DVD to the PC, and then change the extension to .MPG and then import it into After Effects. It works for me.
Steven
Adobe Premiere Pro 1.5 / After Effects 6.5 Pro
http://www.stevengotz.com/premiere.htm
Learning Adobe Premiere Pro 1.5
http://www.lynda.com
Contributing Writer, PeachPit Press, Visual QuickPro Guide, Premiere Pro 1.5