Kevin,
thanks for pointing me in the right direction. I found it over at the cow; Vanishing Point in AE CS3 by Aharon Rabinowitz.
It's actually a Photoshop function, shoulda known. (Hey, what do I know, I'm an editor. Who stuck all this graphics stuff into my contract??)
Works great, a very useful effect to use when they throw a still at you and say something like "here's our key visual, deal with it".
Clay