Ben Model is the archivist for the Ernie Kovacs library. And he has much to say about Ernie Kovacs. Having viewed the entire library of TV shows, personal films etc.
Here are some additional links that contain reviews (from the NY Times) of a bio and the collection of videos by Ernie Kovacs.
http://www.nytimes.com/1987/03/08/movies/tv-view-ernie-kovacs-a-comic-to-the-medium-born.html
http://www.nytimes.com/1984/05/14/arts/tv-review-life-of-ernie-kovacs-is-portrayed.html
http://www.nytimes.com/2011/05/08/arts/television/the-ernie-kovacs-collection-new-on-dvd.html?_r=0
To purchase the Ernie Kovacs DVD set go here!