I read that while they will follow her original design, they will also incorporate certain new technologies that have come along in the past 30 years. Not sure to what extent it'll alter the look of the show, but I believe Breglio (the producer) said that he didn't want to tinker with anything in the original text or design so I'm guessing that the differences will be subtle.
"What a story........ everything but the bloodhounds snappin' at her rear end." -- Birdie
[http://margochanning.broadwayworld.com/]
"The Devil Be Hittin' Me" -- Whitney