Here are a few comments on aim&pivot english. Sure, I use an object ball to amplify what the cueball is doing, but it's pretty far away --and this is slick new cloth so swerve is pretty much nill at these speeds. And it's just a comparison of two sticks anyway.
http://video.google.com/videoplay?docid=2161792837865502183&hl=en
http://video.google.com/videoplay?docid=2161792837865502183&hl=en