He ranks the small forwards and puts Paul Pierce at #6 (behind Shawn Marion and Richard Jefferson).
(as far as I know, Mike Kahn is of no relation to Gabe Kahn)
Despite his obviously immense talent, a lot of people are split on what Pierce's value is because of his moody, erratic play that always affects his play and his teammates. He could play at a superstar level again, but most people doubt it.