Ruby Slippers get an update

Dorothy's ruby red slippers are getting refreshed by top fashion designers in "The Wizard of Oz Ruby Slipper Collection”, to commemorate the Wizard of Oz's 70th anniversary.
Sponsored by Swarovski Crystals and Warner Bros, the designs promise to be a radiant collection. Betsy Johnson sketches
The line will debut at Saks Fifth Ave’s shoe store on September 4th (2009, I think) and then will tour the nation. images source
Preliminary sketches by Gwen Stefani, Sergio Rossi and Moschino

Proceeds from the auction of the collection will benefit the Elizabeth Glaser Pediatric AIDS foundation. (source) My question is, I wonder if any designer will alter the ruby red color at all...