very good article, and be sure to read Mark Ramsey's original piece from eight years ago, I Was a Teenage Fake Zombie - http://fakezombies.blogspot.com/
I know about a fake Moby Grape, and a fake Fleetwood Mac... and some dodgy Electric Prunes and Hendrix recordings of course, but the worst fake to me was the Kingsmen without Jack Ely. Boo hiss.