This is sad news... I was fortunate to meet her a few years ago at San Diego, and had time to get an autograph, ask her a couple of questions about The Simpsons, and comment that our version of Match Game, called Blankety Blank, would have been right up her alley as well as it was just as risque
http://www.flickr.com/photos/mayheme...57606439787144
They won't recast Edna, she'll be retired... it will be interesting to see how the writers achieve this...